{"product_id":"bmw-b58-f-series-catless-downpipe-kit","title":"VCTR Performance BMW B58 F-Series Catless Downpipe Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe factory B58 downpipe includes a pre-cat that limits post-turbo exhaust flow. This catless unit removes that restriction, improving turbo spool and supporting improved exhaust flow for tuned B58 F-Series applications.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRemoves the most restrictive element in the factory B58 exhaust path\u003c\/li\u003e\n\u003cli\u003eImproved turbo spool and throttle response\u003c\/li\u003e\n\u003cli\u003eMore defined exhaust tone on tuned applications\u003c\/li\u003e\n\u003cli\u003e4.5-inch downpipe diameter for improved flow\u003c\/li\u003e\n\u003cli\u003eStainless steel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt for the Drive, Not Just the Dyno\u003c\/h3\u003e\u003cp\u003eA catless downpipe is the clearest sign a build has moved past stock thinking — every gram of post-turbo restriction gone, replaced with 4.5 inches of free-flowing stainless. It's a road-and-track piece, not a daily-comfort one — pair it with a tune to get the most from it.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCompatible with:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW M240i F22 B58 (2016+)\u003c\/li\u003e\n\u003cli\u003eBMW 340i F30 B58 (2016+)\u003c\/li\u003e\n\u003cli\u003eBMW 440i F32\/F36 B58 (2016+)\u003c\/li\u003e\n\u003cli\u003eBMW 540i F10 B58 (2016+)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is a catless unit for off-road\/track use. Tuning is strongly recommended.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCatless downpipe assembly\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Fit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfirmed fitment by chassis and engine code before you buy, not after\u003c\/li\u003e\n\u003cli\u003eWorldwide shipping, cost calculated at checkout for your destination\u003c\/li\u003e\n\u003cli\u003eAustralian Consumer Law returns on all unused, unfitted parts\u003c\/li\u003e\n\u003cli\u003eQuestions about your specific build? Message us — real people, real platform knowledge\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\u003cp\u003eYour order is carefully inspected before dispatch and backed by VCTR Performance support. For product availability, shipping estimates or fitment assistance, contact our team.\u003c\/p\u003e","brand":"VCTR","offers":[{"title":"VCTR Performance \/ VCTR Performance","offer_id":52304068575552,"sku":"100007928:-6#silver;191284006:-1#4.5inch","price":699.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageJun21_2026_10_56_41AM.png?v=1782003429","url":"https:\/\/shop.vctrperformance.com\/products\/bmw-b58-f-series-catless-downpipe-kit","provider":"VCTR","version":"1.0","type":"link"}