{"product_id":"exhaust-catted-downpipe-for-bmw-b58-m240i-340i-440i-540i-740i-drive-2017","title":"VCTR Performance BMW B58 Catted Downpipe Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe B58 factory downpipe includes a small pre-catalyst that limits post-turbo exhaust flow. This high-flow catted downpipe replaces it with a less restrictive unit — improving turbo spool and supporting tuned B58 power targets across F-series and early G-series applications.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catalyst significantly less restrictive than the factory pre-cat or OPF\u003c\/li\u003e\n\u003cli\u003eImproved exhaust flow and turbo response versus the OEM downpipe\u003c\/li\u003e\n\u003cli\u003eRetains catalytic converter — better suited to road-registered vehicles\u003c\/li\u003e\n\u003cli\u003eStainless steel construction for durability\u003c\/li\u003e\n\u003cli\u003eMore defined exhaust tone on tuned applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngineering Focus\u003c\/h3\u003e\u003cp\u003eSS304 stainless steel with high-flow catalyst. Wide B58 platform fitment across multiple F and G-series chassis from 2017 onwards.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M140i F20 \/ F21 (2012–2019) — 3.0L N55 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW M140i F20 \/ F21 (2016–2019) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW M240i F22 \/ F23 (2016–2021) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW 340i F30 \/ F31 (2016–2019) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW 440i F32 \/ F33 \/ F36 (2016–2019) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW 540i G30 (2017+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW 740i G11 \/ G12 (2016+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW M340i G20 \/ G21 (2019+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW M440i G22 \/ G23 (2021+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW M240i G42 (2022+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M40i G29 (2019+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eToyota GR Supra A90 \/ A91 (2019+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M40i G29 (2019+) — 3.0L B58 Single Turbo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e B58 F\/G-chassis downpipe confirmed for M140i\/M240i\/340i\/440i\/540i\/740i F-series, M340i\/M440i G-series, Z4 G29, Toyota Supra A90 (VRSF, MODE, Revhigh confirmed). Verify your specific model, year and build variant before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-flow catted downpipe assembly\u003c\/li\u003e\n\u003cli\u003eSupplied gaskets and installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eCatalyst: High-flow\u003c\/li\u003e\n\u003cli\u003eEngine: B58 3.0T\u003c\/li\u003e\n\u003cli\u003eFitment: OEM flange replacement\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 Performance","offers":[{"title":"VCTR Performance \/ VCTR Performance","offer_id":52080754688320,"sku":"100007928:-1#Silver;191284006:-1#72*23*18cm","price":999.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1152\/0064\/files\/ChatGPTImageJun1_2026_12_13_57PM.png?v=1780280062","url":"https:\/\/shop.vctrperformance.com\/products\/exhaust-catted-downpipe-for-bmw-b58-m240i-340i-440i-540i-740i-drive-2017","provider":"VCTR","version":"1.0","type":"link"}