{"product_id":"aa-signature-downpipe-n55","title":"Active Autowerke Signature Downpipe — N55","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke catted downpipe for the N55 — the gating restriction opened, without going catless.\u003c\/strong\u003e Clears the factory downpipe\/cat choke point while keeping a high-flow converter in the pipe — the street-friendly path into Stage 2.\u003c\/p\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cp\u003e3.5\" 304 stainless with a 4.5\" GESI G-Sport Ultra High Output catalytic converter — full stainless through the substrate, EPA-registered, 49-state \/ OBD2, no CEL. Not California-legal.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eDownpipe-side core of an N55 Stage 2 build; we tune around it. The \u003ca href=\"\/products\/stage-2-kit-n55\"\u003eStage 2 Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N55 — M235i (F22\/F23), 335i (F30\/F31), 435i (F32\/F33\/F36), and F87 M2, 2014 and up. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Catted (GESI)","offer_id":43280702439485,"sku":"11-040","price":1805.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/AA_f3x_f87-catted-downpipe_01.webp?v=1781743118","url":"https:\/\/essewerks.com\/products\/aa-signature-downpipe-n55","provider":"Esse Werks","version":"1.0","type":"link"}