{"product_id":"n55-3-5-inch-downpipe-exhaust-upgrade","title":"N55 3.5-Inch Downpipe Exhaust Upgrade","description":"The Active Autowerke N55 Downpipe Exhaust Upgrade (Part 11-028) is engineered to replace the restrictive OEM downpipe on BMW F-Chassis N55 models, including the M235i, 335i, 435i, and M2, equipped with the direct-injection, single-turbo engine from 2012 onwards.\n\nConstructed from durable 3.5-inch diameter 304 stainless steel with a 1.5mm wall thickness, this downpipe is built for maximum exhaust flow and longevity. Its design aims to minimize exhaust back pressure and maximize turbo spool speed, contributing to a more responsive engine. The downpipe features a modular construction that supports future upgrade paths and offers a direct bolt-on fitment, eliminating the need for cutting or welding and utilizing OEM mounting points for a secure installation.\n\nImportant Note: This downpipe modifies the factory emissions system and is intended for off-road or racing use only. Installation will trigger a Check Engine Light (CEL) unless paired with an appropriate Active Autowerke software upgrade. Ensure compatibility with your vehicle's specifications before purchase. The product is precision engineered for exact fitment on all F-Chassis N55 models from 09\/2013 and later.","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":52686763721016,"sku":"11-028","price":379.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661655062.jpg?v=1784876456","url":"https:\/\/store.motormia.co\/products\/n55-3-5-inch-downpipe-exhaust-upgrade","provider":"MOTORMIA","version":"1.0","type":"link"}