{"title":"Audi","description":"\u003cp\u003eQHCE catbacks for Audi — B9 and B9.5 A4 \/ A5 Quattro 2.0T. Built for the EA888.\u003c\/p\u003e","products":[{"product_id":"audi-a4-a5-b9-catback","title":"QHCE Audi A4 \/ A5 Catback — B9 \/ B9.5 Quattro (2.0T)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eB9-platform A4 and A5 with the 2.0T are restrained from the factory. This catback delivers a proper turbo-four growl without affecting the EA888's reliability.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eB9 \/ B9.5 (A4 sedan, A5 coupe, A5 Sportback)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2017 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003eEA888 Gen 3 \/ 3B — 2.0L TFSI, 220-261 hp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eA4 40 \/ 45 TFSI Quattro, A5 40 \/ 45 TFSI Quattro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM Quattro all-wheel-drive flange — direct bolt-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: tighter, punchier than stock without being loud. Open: deep four-cylinder growl, hard pop on shifts, full character at WOT.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:40%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~75 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:50%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~80 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:88%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~95 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. Highway WOT 5-10 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e 304 stainless steel, 1.5mm wall thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged for OEM-grade finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Multi-stage with electronic valve actuator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Carbon fiber wrapped, 304 stainless inner, QHCE laser-engraved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Spot-welded stainless wrap on the muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT’S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators\u003c\/li\u003e\n\u003cli\u003eWireless remote (glovebox-friendly fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch (keyring-sized)\u003c\/li\u003e\n\u003cli\u003eIn-cabin controller (3M-mountable)\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware + gaskets + clamps\u003c\/li\u003e\n\u003cli\u003ePrinted installation guide (also linked digitally)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2-3 hours in a home garage with a floor jack and stands. 45 minutes on a lift. Standard hand tools — no welding, no cutting, no tuning. New gaskets and OEM-spec clamps are included in the kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes — cracks, weld failures, rust-through, we cover it. \u003cstrong\u003e2 years\u003c\/strong\u003e on the electronic valve actuators and remote system. \u003cstrong\u003e90 days\u003c\/strong\u003e on cosmetic finish (carbon fiber tips and laser engraving).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not legal for highway use in all 50 states. Buyer assumes responsibility for compliance with local emissions and noise regulations.\u003c\/p\u003e\n\u003c\/div\u003e\u003cstyle\u003e\n.qhce-prod{font-family:var(--font-body--family);color:#e6e6e6;line-height:1.6;font-size:1rem}\n.qhce-prod-intro{font-size:1.15rem;line-height:1.5;color:#fff;border-left:3px solid #C8102E;padding-left:18px;margin:0 0 32px 0;font-weight:400}\n.qhce-prod-spec-block{margin:0 0 36px 0}\n.qhce-prod h3{font-family:var(--font-heading--family);font-size:1.2rem;letter-spacing:0.08em;text-transform:uppercase;color:#fff;margin:0 0 14px 0;padding-bottom:6px;border-bottom:2px solid #C8102E;display:inline-block}\n.qhce-prod-table{width:100%;border-collapse:collapse;margin:8px 0 0 0}\n.qhce-prod-table th{font-family:var(--font-heading--family);font-size:0.85rem;letter-spacing:0.08em;text-transform:uppercase;color:#999;text-align:left;padding:10px 12px 10px 0;border-bottom:1px solid #ffffff14;width:35%;font-weight:400;vertical-align:top}\n.qhce-prod-table td{padding:10px 0;border-bottom:1px solid #ffffff14;color:#fff;font-size:0.95rem}\n.qhce-prod-list{padding:0;margin:8px 0 0 0;list-style:none}\n.qhce-prod-list li{padding:8px 0 8px 24px;position:relative;font-size:0.95rem;color:#cccccc}\n.qhce-prod-list li::before{content:\"\";position:absolute;left:0;top:14px;width:6px;height:6px;background:#C8102E;transform:rotate(45deg)}\n.qhce-prod-list strong{color:#fff;font-weight:600}\n.qhce-prod-sound{margin:16px 0 0 0;padding:18px;background:#141414;border-left:2px solid #C8102E}\n.qhce-prod-sound-row{display:grid;grid-template-columns:140px 1fr 70px;gap:12px;align-items:center;padding:6px 0}\n.qhce-prod-sound-label{font-family:var(--font-heading--family);font-size:0.75rem;letter-spacing:0.1em;text-transform:uppercase;color:#999}\n.qhce-prod-sound-bar{height:8px;background:#0a0a0a;overflow:hidden}\n.qhce-prod-sound-fill{height:100%}\n.qhce-prod-sound-val{font-family:var(--font-heading--family);font-size:0.85rem;color:#fff;text-align:right;letter-spacing:0.05em}\n.qhce-prod-sound-note{font-size:0.8rem;color:#666;margin:12px 0 0 0}\n.qhce-prod-legal{margin:32px 0 0 0;padding:14px 16px;background:#141414;border:1px solid #ffffff14;font-size:0.8rem;color:#999;letter-spacing:0.02em}\n@media (max-width:640px){.qhce-prod-sound-row{grid-template-columns:1fr;gap:4px;padding:10px 0}.qhce-prod-sound-bar{height:6px}}\n\u003c\/style\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46861573357756,"sku":"QHCE-AUDI-A4-A5-B9","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_d4aa3870-b217-4701-82a5-d3d6a145ce7a.jpg?v=1780481196"},{"product_id":"audi-rs3-8v-catback","title":"QHCE RS3 8V Catback — Audi RS3 Sedan \/ Sportback (8V, 2.5T)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe DAZA 2.5L five-cylinder is the most distinctive sound in the segment. OEM mufflers tame it for European compliance. This catback gives the warble back.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003e8V (RS3 Sedan + Sportback)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2017 – 2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e2.5L turbo inline-five (DAZA \/ CZGB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eRS3 Sedan, RS3 Sportback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: comfortable daily. Open: pure 5-cylinder warble, decel crackle, overrun pops — the sound that sold the platform.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.5mm wall, 3\" mandrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve straight-through with mid-bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Forged carbon over polished stainless, dual oval racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e1.5-2 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes — cracks, weld failures, rust-through, covered. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish (carbon weave, anodization, laser engraving).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46907358478524,"sku":null,"price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_5bda354a-7094-4c97-85d8-1b3faf6be938.jpg?v=1781378991"},{"product_id":"audi-rs5-b9-catback","title":"QHCE RS5 B9 Catback — Audi RS5 Coupe \/ Sportback (B9, 2.9 TFSI)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe B9 RS5 swapped the screaming 4.2 V8 for a 2.9 V6TT, and Audi compensated by gagging the exhaust note. This catback unlocks the V6 bark that was always under there.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eB9 (RS5 Coupe + Sportback)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2018 – 2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e2.9L twin-turbo V6 (DECA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eRS5 Coupe, RS5 Sportback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: refined commuter. Open: V6TT roar with full overrun pop and turbo whistle.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.5mm wall, 3\" mandrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve bypass with X-pipe crossover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Forged carbon over polished stainless, quad oval racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2-2.5 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes — cracks, weld failures, rust-through, covered. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish (carbon weave, anodization, laser engraving).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46907358511292,"sku":null,"price":2799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_7956b7c6-7b30-469c-91eb-188a5f2a326f.jpg?v=1780821638"},{"product_id":"audi-rs6-c8-catback","title":"QHCE RS6 C8 Catback — Audi RS6 Avant \/ Performance (C8, 4.0 TFSI)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eRS6 Avant is the fastest grocery-getter on earth. Audi muzzled the 4.0 V8 for cabin refinement. This catback gives it the thunder the engine deserves.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eC8 (RS6 Avant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2019 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e4.0L twin-turbo V8 (DJPA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eRS6 Avant, RS6 Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: family-mode quiet. Open: full RS6 V8 thunder, race-pack mod-grade volume.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.6mm wall, 3.5\" mandrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Triple-chamber valved bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Forged carbon fiber over stainless, quad 105mm round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2.5-3 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes — cracks, weld failures, rust-through, covered. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish (carbon weave, anodization, laser engraving).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46907358544060,"sku":null,"price":3599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_4b93c85a-dcae-4c80-8e10-1f08355c9d63.jpg?v=1780821652"},{"product_id":"audi-s5-b8-catback","title":"QHCE S5 Catback — Audi S5 \/ S4 (B8, 3.0T)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe B8 S5's supercharged 3.0 TFSI is quietly one of the best-sounding Audi V6s — quietly being the problem. This catback gives the supercharged six its proper bark.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eB8 \/ B8.5 (S5 \/ S4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2009 – 2017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e3.0L supercharged V6 (CGXC \/ CTUF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eS5 Coupe, S5 Sportback, S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: refined. Open: supercharged V6 howl with shift crackle.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.5mm wall, 3\" mandrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Polished stainless quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2-2.5 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46957557317820,"sku":null,"price":1499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_402bcccc-4777-42f2-ae2f-fa3a084fa77f.jpg?v=1781379007"},{"product_id":"audi-s6-c7-catback","title":"QHCE S6 Catback — Audi S6 \/ S7 (C7, 4.0 TFSI V8)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe C7 S6 hides a 4.0 twin-turbo V8 — the detuned RS-block — under executive sheet metal. This catback wakes the hot-vee V8 that Audi muffled into a whisper.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eC7 (S6 \/ S7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2012 – 2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e4.0L twin-turbo V8 (CEUC \/ CTGE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eS6, S7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: executive-quiet. Open: hot-vee V8 burble + bark.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.6mm wall, 3.5\" mandrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve dual-muffler with X-pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Polished stainless quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2.5-3 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46957557350588,"sku":null,"price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_86fb673f-12d1-481d-86dc-324bcb867255.jpg?v=1781379025"},{"product_id":"audi-q7-catback","title":"QHCE Q7 Catback — Audi Q7 (3.0 TFSI)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe Q7 3.0T is the family hauler with a supercharged\/turbo V6 nobody hears. This catback gives the seven-seater a voice without touching its refinement.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003e4L \/ 4M (Q7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2013 – 2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e3.0L supercharged \/ turbo V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eQ7 3.0T quattro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: family-quiet. Open: V6 growl on demand.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.6mm wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Single-valve swallow-tail quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Polished stainless quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2.5 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46957557416124,"sku":null,"price":1699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_fca473ff-5c29-4fb9-8c19-5feed85be4ce.jpg?v=1781379043"},{"product_id":"audi-a6-allroad-c8-catback","title":"QHCE A6 Allroad Catback — Audi A6 Allroad (C8, 3.0T)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe C8 A6 Allroad is the do-everything wagon — quick, comfortable, and silent. This catback gives the 3.0T some attitude to match the lifted-wagon cool.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eC8 (A6 Allroad)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2019 – 2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e3.0L turbo V6 (mild hybrid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eA6 Allroad quattro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: refined cruiser. Open: turbo-V6 growl with overrun.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.5mm wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Polished stainless quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2.5 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46957557448892,"sku":null,"price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_035a122e-12a5-4a5c-9cee-80aa509d3ad3.jpg?v=1781379061"},{"product_id":"audi-a6-a7-c7-catback","title":"QHCE A6 \/ A7 Catback — Audi A6 \/ A7 (C7, 3.0T)","description":"\u003cdiv class=\"qhce-prod\"\u003e\n\u003cp class=\"qhce-prod-intro\"\u003eThe C7 A6 \/ A7 3.0T supercharged V6 is smooth, fast, and dead quiet. This catback unlocks the supercharged six's character without a tune.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eFITMENT\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003ctd\u003eC7 \/ C6 (A6 \/ A7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003ctd\u003e2012 – 2021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003e3.0L supercharged V6 (TFSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTrims\u003c\/th\u003e\n\u003ctd\u003eA6 3.0T, A7 3.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMid-pipe flange\u003c\/th\u003e\n\u003ctd\u003eOEM, bolt-on — no cutting, no welding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSOUND PROFILE\u003c\/h3\u003e\n\u003cp\u003eClosed: luxury-quiet. Open: supercharged V6 snarl.\u003c\/p\u003e\n\u003cdiv class=\"qhce-prod-sound\"\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eSTOCK OEM\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:55%;background:#666\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~82 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES CLOSED\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:62%;background:#888\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~88 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-sound-row\"\u003e\n\u003cspan class=\"qhce-prod-sound-label\"\u003eVALVES OPEN\u003c\/span\u003e\u003cdiv class=\"qhce-prod-sound-bar\"\u003e\u003cdiv class=\"qhce-prod-sound-fill\" style=\"width:95%;background:#C8102E\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cspan class=\"qhce-prod-sound-val\"\u003e~102 dB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-sound-note\"\u003eMeasured at 50 ft, idle, ambient temp. WOT pulls 8-12 dB higher.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eMATERIAL SPECS\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipes:\u003c\/strong\u003e T304 stainless, 1.5mm wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelds:\u003c\/strong\u003e TIG-welded, back-purged, X-ray inspected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler chamber:\u003c\/strong\u003e Twin-valve bypass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTips:\u003c\/strong\u003e Polished stainless quad\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat shielding:\u003c\/strong\u003e Multi-layer titanium foil + stainless wrap on muffler section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWHAT'S IN THE BOX\u003c\/h3\u003e\n\u003cul class=\"qhce-prod-list\"\u003e\n\u003cli\u003eFull catback assembly (mid-pipe + muffler + tailpipes)\u003c\/li\u003e\n\u003cli\u003ePre-installed electronic valve actuators (CNC-machined billet)\u003c\/li\u003e\n\u003cli\u003eWireless remote (anodized aluminum fob)\u003c\/li\u003e\n\u003cli\u003eKey-chain switch + cabin-mount controller\u003c\/li\u003e\n\u003cli\u003eAll OEM-spec hardware, gaskets, V-band clamps\u003c\/li\u003e\n\u003cli\u003ePrinted install guide + digital fitment notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eINSTALLATION\u003c\/h3\u003e\n\u003cp\u003e2.5 hours on a lift. Bolt-on, no cutting, no tuning. New gaskets and clamps included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eSHIPPING \u0026amp; LEAD TIME\u003c\/h3\u003e\n\u003ctable class=\"qhce-prod-table\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProduction\u003c\/th\u003e\n\u003ctd\u003e~7 business days — every kit is built-to-order, TIG-welded and QC'd before it leaves the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003e4–5 business days, continental US, fully insured + tracked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal time to door\u003c\/th\u003e\n\u003ctd\u003eRoughly 2.5 weeks from checkout to delivery.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping cost\u003c\/th\u003e\n\u003ctd\u003eFree on orders $1,000+ in the continental US. AK \/ HI \/ international quoted at checkout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003ctd\u003eYou'll get a tracking number the moment the kit ships. Any production delays are flagged in writing the same day.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"qhce-prod-spec-block\"\u003e\n\u003ch3\u003eWARRANTY\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLifetime structural warranty\u003c\/strong\u003e on the pipes. \u003cstrong\u003e2 years\u003c\/strong\u003e on electronic valve actuators and remote system. \u003cstrong\u003e1 year\u003c\/strong\u003e on cosmetic finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"qhce-prod-legal\"\u003eFor off-road \/ track use only. Not CARB-certified. Loud — check local laws before street use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"QHCE","offers":[{"title":"Default Title","offer_id":46957557514428,"sku":null,"price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/files\/01_main_8366b511-55bc-42b7-af2a-d7bfc8d98198.jpg?v=1781379078"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/8904\/5692\/collections\/photo-1606016159991-dfe4f2746ad5.jpg?v=1779547592","url":"https:\/\/qhcemotors.com\/collections\/audi.oembed","provider":"QHCE","version":"1.0","type":"link"}