{"product_id":"cts-turbo-audi-c7-c7-5-s6-s7-rs7-4-0t-cast-downpipe-set-with-high-flow-cats","title":"CTS Turbo Audi C7\/C7.5 S6\/S7\/RS7 4.0T Cast Downpipe Set with High Flow Cats","description":"\u003cp\u003eCTS Turbo's cast stainless steel downpipe set with high-flow cats for the C7 4.0T platform (S6\/S7\/RS7) is a bolt-on path to more performance. It eliminates the OEM crossover and includes the O2 sensor harness extensions.\u003c\/p\u003e\u003ch3\u003eUnrestricted flow\u003c\/h3\u003e\u003cp\u003eA CAD-engineered cast stainless steel collector feeds unrestricted flow, with 3\" piping running all the way back to the exhaust connection and a taper to OE fitment for direct connection to factory or aftermarket cat-back systems.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast stainless steel collectors\u003c\/li\u003e\n\u003cli\u003eHeat shielding to keep temperatures down\u003c\/li\u003e\n\u003cli\u003e3\" stainless pipes with sleeve clamps for easy install and maximum flow\u003c\/li\u003e\n\u003cli\u003eTaper to OE fitment for factory or aftermarket cat-back systems\u003c\/li\u003e\n\u003cli\u003eTIG welded\u003c\/li\u003e\n\u003cli\u003eHigh-flow 200-cell metallic catalytic converters to reduce flow restriction\u003c\/li\u003e\n\u003cli\u003eIncludes O2 sensor harness extensions\u003c\/li\u003e\n\u003cli\u003eIncludes installation hardware (downpipe gaskets not included)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe recommend new OEM gaskets for a headache-free install (part number 4G0253115D, 2 required). Stage 2 software tuning is required to remove the CEL — check with your tuner.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2013-2018 C7\/C7.5 Audi S6 4.0T\u003c\/li\u003e\n\u003cli\u003e2013-2018 C7\/C7.5 Audi S7 4.0T\u003c\/li\u003e\n\u003cli\u003e2014-2018 C7\/C7.5 Audi RS7 4.0T\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEmissions disclaimer:\u003c\/strong\u003e This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.\u003c\/p\u003e\u003cp\u003eShips from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email \u003ca href=\"mailto:support@korespeed.com\"\u003esupport@korespeed.com\u003c\/a\u003e.\u003c\/p\u003e","brand":"CTS Turbo","offers":[{"title":"Default Title","offer_id":51579814674488,"sku":"CTS-EXH-DP-0026-CAT","price":1799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/CTS-EXH-DP-0026-CAT_1.jpg?v=1765846423","url":"https:\/\/korespeed.com\/products\/cts-turbo-audi-c7-c7-5-s6-s7-rs7-4-0t-cast-downpipe-set-with-high-flow-cats","provider":"KORE SPEED","version":"1.0","type":"link"}