{"product_id":"sln-b58-opf-ceramic-coated-sports-cat-downpipe-bmw-m240i-m340i-m440i-and-540i","title":"SLN B58 OPF Ceramic-Coated Sports Cat Downpipe – BMW M240i, M340i, M440i \u0026 540i","description":"\u003cp\u003e\u003cstrong\u003eSLN B58 OPF Ceramic-Coated Sports Cat Downpipe – BMW M240i, M340i, M440i \u0026amp; 540i\u003c\/strong\u003e replaces the restrictive factory catalyst section with a higher-flow sports-catalyst arrangement. It is intended to improve exhaust flow and turbo response while retaining a catalytic element and a more controlled exhaust note than a fully catless setup.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCeramic-coated sports-cat downpipe for later\/OPF-style B58 exhaust interface\u003c\/li\u003e\n\u003cli\u003eHigh-flow catalytic core\u003c\/li\u003e\n\u003cli\u003eStainless-steel construction\u003c\/li\u003e\n\u003cli\u003ePhysical flange\/interface must be confirmed before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBMW fitment\u003c\/h2\u003e\u003cp\u003eM240i, M340i, M440i \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\u003ch2\u003eRoad-use \/ emissions note\u003c\/h2\u003e\u003cp\u003eA high-flow sports catalyst is not automatically EC type-approved for road use. Suitability and MOT\/emissions compliance depend on the exact component and vehicle configuration. Please confirm the approval status before ordering for a road car.\u003c\/p\u003e\u003ch2\u003eSupply and fitting\u003c\/h2\u003e\u003cp\u003eAvailable from Swift Performance with fitment advice before ordering. Workshop fitting can be discussed where the component and vehicle remain suitable for road use.\u003c\/p\u003e","brand":"SLN Performance","offers":[{"title":"Default Title","offer_id":57431505174903,"sku":"SLN_B58_SC_OPF_C","price":495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/8489\/7720\/files\/IMG_3155_NEW.jpg?v=1788359135","url":"https:\/\/swiftperformance.co.uk\/products\/sln-b58-opf-ceramic-coated-sports-cat-downpipe-bmw-m240i-m340i-m440i-and-540i","provider":"Swift Performance","version":"1.0","type":"link"}