{"product_id":"vrsf-b58-4-5-inch-decat-downpipe-bmw-m140i-m240i-340i-440i-and-540i","title":"VRSF B58 4.5-inch Decat Downpipe – BMW M140i, M240i, 340i, 440i \u0026 540i","description":"\u003cp\u003e\u003cstrong\u003eVRSF B58 4.5-inch Decat Downpipe – BMW M140i, M240i, 340i, 440i \u0026amp; 540i\u003c\/strong\u003e is a high-flow exhaust upgrade for the listed BMW applications. Replacing the restrictive factory section reduces exhaust back pressure, supporting faster turbo response and increased flow on suitably prepared cars.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e4.5-inch hand-crafted 304 stainless-steel downpipe\u003c\/li\u003e\n\u003cli\u003eCNC-machined stainless-steel turbo flange\u003c\/li\u003e\n\u003cli\u003eSmooth-radius bends to reduce turbulence\u003c\/li\u003e\n\u003cli\u003eFits RHD and LHD Gen-1 B58 applications with the correct interface\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBMW fitment\u003c\/h2\u003e\u003cp\u003eM140i, M240i, 340i, 440i \u0026amp; 540i.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment check:\u003c\/strong\u003e BMW used different flange and connection arrangements across model years and engine revisions. Please confirm the engine, chassis and physical interface before ordering if there is any uncertainty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMotorsport \/ off-road use only:\u003c\/strong\u003e This product removes or bypasses emissions-control equipment and is intended for motorsport or off-road use only.\u003c\/p\u003e","brand":"VRSF","offers":[{"title":"Default Title","offer_id":57431508025719,"sku":"10582010","price":420.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/8489\/7720\/files\/b58decat.jpg?v=1788359218","url":"https:\/\/swiftperformance.co.uk\/products\/vrsf-b58-4-5-inch-decat-downpipe-bmw-m140i-m240i-340i-440i-and-540i","provider":"Swift Performance","version":"1.0","type":"link"}