{"product_id":"milltek-downpipe-audi-s6-4-0-tfsi-c7-quattro-2012-2018","title":"Milltek Sport Catted \u0026 Catless Downpipes - 2012-2018 Audi S6 4.0 TFSI C7 quattro","description":"\u003cp\u003eMilltek Sport catted and catless downpipes, cat pipes and front pipes for the Audi S6 4.0 TFSI C7 quattro (2012-2018). These parts open up the hot side of the exhaust, cut backpressure and sharpen throttle response. Pick the option that matches your exhaust: some are built to fit a Milltek cat-back, others bolt to the stock cat-back.\u003c\/p\u003e\u003ch3\u003eCompare every part number\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eFits with (Milltek)\u003c\/th\u003e\n\u003cth\u003eStage 2 ECU remap\u003c\/th\u003e\n\u003cth\u003eRace\/Track only\u003c\/th\u003e\n\u003cth\u003ePipe size\u003c\/th\u003e\n\u003cth\u003eFit time\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXAU634\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe (Race\/Track only) Bypass: Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back\u003c\/td\u003e\n\u003ctd\u003eLarger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXAU555\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe (Race\/Track only) Bypass: Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Spo\u003c\/td\u003e\n\u003ctd\u003eLarger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXAU554\u003c\/td\u003e\n\u003ctd\u003eCatted Downpipe (100-CPSI Hi-Flow Sports Catalyst, Race\/Track only): Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the\u003c\/td\u003e\n\u003ctd\u003eLarger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Sport cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSSXAU635\u003c\/td\u003e\n\u003ctd\u003eCatted Downpipe (100-CPSI Hi-Flow Sports Cat, Race\/Track only): Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the  [SSXAU635]\u003c\/td\u003e\n\u003ctd\u003eLarger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back system and requires a stage 2 ECU remap. (lambda cables need extending)\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003e3.00\" (76.20mm)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\"Race\/Track only\" and \"Stage 2 ECU remap\" are shown only where Milltek states them. A dash means Milltek does not state it for that part.\u003c\/p\u003e\u003ch3\u003eWhat comes with each part number\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXAU634\u003c\/strong\u003e (Large-bore Catted Downpipe Bypass Pipes): 1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x LH Connecting pipe to OE Cat Back System; 1 x RH Connecting pipe to OE Cat Back System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXAU555\u003c\/strong\u003e (Large-bore Catted Downpipe Bypass Pipes): 1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x LH Connecting Pipe to Milltek Catback; 1 x RH Connecting Pipe to Milltek Catback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXAU554\u003c\/strong\u003e (Large Bore Downpipes and Hi-Flow Sports Cats): 1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x LH Secondary 100-CPSI Hi-Flow Sports Catalyst (under car); 1 x RH Secondary 100-CPSI Hi-Flow Sports Catalyst (under car)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSXAU635\u003c\/strong\u003e (Large Bore Downpipes and Hi-Flow Sports Cats): 1 x LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo) (Cerakote Semi-Gloss Black Finish); 1 x LH Secondary 100-CPSI Hi-Flow Sports Cat (under car) to OE System; 1 x RH Secondary 100-CPSI Hi-Flow Sports Cat (under car) to OE System\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCatted and catless downpipes\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003ecatted downpipe\u003c\/strong\u003e keeps a catalytic converter in the downpipe. A \u003cstrong\u003ecatless downpipe\u003c\/strong\u003e (de-cat) replaces it with a straight pipe. Each option name above says which one it is.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eAudi S6 4.0 TFSI C7 quattro, 2012-2018. US-market model listing. Confirm your exact model, engine and options before ordering.\u003c\/p\u003e\u003ch3\u003eAbout Milltek Sport\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eT304L stainless steel, CNC mandrel bent.\u003c\/li\u003e\n\u003cli\u003eDesigned and developed in Derby, UK with a US facility in Knoxville, Tennessee, and tested at the Nürburgring.\u003c\/li\u003e\n\u003cli\u003eCompany founded in 1983.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cp\u003eMilltek covers most products with a lifetime guarantee. Downpipes, hi-flow catalysts and any part with valves are covered for 2 years or 80,000 km, and electronic products for 2 years. Claims go through the authorized dealer you bought from, and cover the original purchaser only. Full terms: millteksport.com\/Warranty.html\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSome options need a Stage 2 ECU remap. Read the option name before you order.\u003c\/li\u003e\n\u003cli\u003eCatless downpipes and other cat bypass parts replace emissions equipment. They are sold for off-road and competition use where local law allows. You are responsible for checking the rules that apply to your vehicle.\u003c\/li\u003e\n\u003cli\u003eFitting times are Milltek estimates for a professional installer.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek Sport","offers":[{"title":"Catless Downpipe (Race\/Track only) Bypass: Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the OE cat-back","offer_id":67999432704151,"sku":"SSXAU634","price":2236.0,"currency_code":"USD","in_stock":true},{"title":"Catless Downpipe (Race\/Track only) Bypass: Larger-bore 76mm Downpipes with cat bypass pipes for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the Milltek Spo","offer_id":67999432736919,"sku":"SSXAU555","price":2256.0,"currency_code":"USD","in_stock":true},{"title":"Catted Downpipe (100-CPSI Hi-Flow Sports Catalyst, Race\/Track only): Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the","offer_id":67999432769687,"sku":"SSXAU554","price":4730.0,"currency_code":"USD","in_stock":true},{"title":"Catted Downpipe (100-CPSI Hi-Flow Sports Cat, Race\/Track only): Larger-bore 76mm Downpipes with 100-cell hi-flow sports catalysts for highly tuned cars. Downpipes feature ultra-durable semi-gloss black Cerakote coating. Must be fitted with the  [SSXAU635]","offer_id":67999432802455,"sku":"SSXAU635","price":5034.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2641\/0682\/files\/millteck_768f964a-fb8f-4d54-b147-5b2e0172c0fc.jpg?v=1790967559","url":"https:\/\/autotalent.com\/products\/milltek-downpipe-audi-s6-4-0-tfsi-c7-quattro-2012-2018","provider":"AutoTalent","version":"1.0","type":"link"}