{"product_id":"cts-turbo-4-high-flow-cat-for-bmw-n20-4-cylinder-2012-2017-f20-f21-f22-f30-f32-f36","title":"CTS Turbo 4\" High-Flow CAT for BMW N20 4-cylinder (2012-2017) F20-F21-F22-F30-F32-F36","description":"\u003cp\u003eFree up power and sound on your N20-powered BMW with the CTS Turbo 4\" high-flow cat. By removing the restrictive factory catalytic converter, you open up exhaust flow for faster turbo spool, less backpressure, and a more responsive, more fun drive — expect a 25–35HP increase with a Stage 2 tune (octane dependent) and an aggressive note to match.\u003c\/p\u003e\u003ch3\u003eWhy it works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCNC-machined flange and direct-fit bracket\u003c\/li\u003e\n\u003cli\u003eFully TIG welded stainless steel construction\u003c\/li\u003e\n\u003cli\u003e25–35HP increase with a Stage 2 tune (octane dependent)\u003c\/li\u003e\n\u003cli\u003eAggressive sound\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment (N20 engines)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW F22 228i and 228i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F23 228i and 228i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F30 320i, 320i xDrive, 328i, 328i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F31 328i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F32\/F33 428i and 428i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F34 328i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F36 428i and 428i xDrive, N20 2.0L\u003c\/li\u003e\n\u003cli\u003eBMW F10 528i and 528i xDrive, N20 2.0L\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper Bootmod3 tuning must be used to remove the CEL and ensure proper operation. Not for N26 engines — check the sticker under the hood: an N20 engine reads ULEV, an N26 reads SULEV. Verify the downpipe flange on your vehicle before ordering. This part is for off-road race use only.\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":51579814248504,"sku":"CTS-EXH-DP-0020-CAT","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1775\/7947\/files\/DP-0020-CAT.jpg?v=1765846416","url":"https:\/\/korespeed.com\/products\/cts-turbo-4-high-flow-cat-for-bmw-n20-4-cylinder-2012-2017-f20-f21-f22-f30-f32-f36","provider":"KORE SPEED","version":"1.0","type":"link"}