{"product_id":"cts-turbo-b5-audi-a4-1-8t-test-pipe","title":"CTS Turbo B5 Audi A4 1.8T Test Pipe","description":"\u003cp\u003eThe premier test pipe for the B5 Audi A4 1.8T. It drops straight into place of the restrictive stock catalytic converter sitting just after the turbo, with smooth mandrel-bent 3\" stainless tubing and seamless transitions from turbo to exhaust. Expect substantial power gains, improved flow, and a throatier note. Each pipe is hand-TIG-welded and includes two O2 sensor bungs, with room for an optional third.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eT304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e3\" mandrel-bent tubing\u003c\/li\u003e\n\u003cli\u003eFully TIG-welded design\u003c\/li\u003e\n\u003cli\u003eTwo O2 sensor bungs (optional third available)\u003c\/li\u003e\n\u003cli\u003eInstall hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eAudi A4 1.8T (B5)\u003c\/td\u003e\n\u003ctd\u003e1997-2001\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eTo clear the CEL that results, proper tuning software is required, and a Stage 2 software upgrade is strongly recommended. For the sake of the environment, CTS Turbo recommends choosing a high-flow cat.\u003c\/p\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":51579817033784,"sku":"CTS-EXH-TP-0001-B5","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/TP-0002.jpg?v=1765846467","url":"https:\/\/korespeed.com\/products\/cts-turbo-b5-audi-a4-1-8t-test-pipe","provider":"KORE SPEED","version":"1.0","type":"link"}