{"product_id":"cts-turbo-bmw-e90-e91-e92-e93-e81-e82-n55-135i-335i-e84-n55-x1-downpipe","title":"CTS Turbo BMW E90\/E91\/E92\/E93, E81\/E82 N55 135i\/335i, E84 N55 X1 downpipe","description":"\u003cp\u003eCTS Turbo's catless downpipe for the late E-series N55 single-turbo cars — the BMW E90\/E91\/E92\/E93 335i, E81\/E82 135i, and E84 X1 35i — opens up exhaust flow well beyond the restrictive OEM pipe. Expect sharper throttle response, more power, and a meaner engine note.\u003c\/p\u003e\u003cp\u003eNote: these are for late E-series models with the N55 twin-power single-turbo engine.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eT304 seamless stainless steel tubing\u003c\/li\u003e\n\u003cli\u003e3\" diameter pipe off the turbo, splitting to dual 2.5\" pipes\u003c\/li\u003e\n\u003cli\u003eT304 stainless steel flanges\u003c\/li\u003e\n\u003cli\u003e100% TIG welded\u003c\/li\u003e\n\u003cli\u003eT304 stainless steel O2 bungs\u003c\/li\u003e\n\u003cli\u003eGreat sound and precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment (E-series N55 engines)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2011-2013 E82 BMW 135i\u003c\/li\u003e\n\u003cli\u003e2010-2013 E90\/E91\/E92\/E93 BMW 335i \u0026amp; 335xi N55\u003c\/li\u003e\n\u003cli\u003e2012-2015 E84 BMW X1 35i\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStage 2 software is required to avoid a check engine light.\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":51579813658680,"sku":"CTS-EXH-DP-0006","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/DP-0006-1.jpg?v=1765846401","url":"https:\/\/korespeed.com\/products\/cts-turbo-bmw-e90-e91-e92-e93-e81-e82-n55-135i-335i-e84-n55-x1-downpipe","provider":"KORE SPEED","version":"1.0","type":"link"}