{"product_id":"aa-signature-downpipe-s58","title":"Active Autowerke Signature Downpipes w\/ GESI Cat — S58","description":"\u003cp\u003e\u003cstrong\u003eActive Autowerke Signature GESI-catted downpipes for the S58 — G8x M3 \/ M4 \/ M2.\u003c\/strong\u003e The first step of the S58 exhaust and the downpipe-side core of a Stage 2 build.\u003c\/p\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cp\u003eTIG-welded 304 stainless with stainless flex joints and a casted upper V-band; 3\" piping that never drops below the factory 70mm, with a pair of 4.5\" GESI G-Sport Ultra High Output catalytic converters — 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 S58 Stage 2 build; we calibrate around it. The \u003ca href=\"\/products\/stage-2-kit-s58\"\u003eStage 2 Kit — S58\u003c\/a\u003e bundles parts + tune for 8% under à la carte.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW S58 — G80\/G81 M3, G82\/G83 M4, G87 M2. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Active Autowerke","offers":[{"title":"Catted (GESI)","offer_id":43280704274493,"sku":"11-085","price":3665.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Gemini_Generated_Image_trvc55trvc55trvc.png?v=1781743118","url":"https:\/\/essewerks.com\/products\/aa-signature-downpipe-s58","provider":"Esse Werks","version":"1.0","type":"link"}