{"product_id":"bmw-b58-gen-1-gen-2-5in-race-downpipe","title":"BMW B58 Gen 1 \/ Gen 2 5in Race Downpipe - M340i, M240i, 540i","description":"\u003cp\u003eThe Palenon Performance 5in B58 downpipe keeps a large diameter all the way from the turbo, stepping from 4.5in to 5in to 4in before the 3.15in OEM connection, for maximum flow on Gen 1 and Gen 2 B58 BMWs.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eInstead of necking down to 3in at the flex joint, the pipe stays big right after the turbo for quicker spool and sharper response. Palenon quotes 30+ hp with a proper tune and a warm, deep exhaust note with pops.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2016+ F20 M140i; 2016-2024 F22 \/ F23 M240i; 2021+ G42 M240i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F30 \/ F31 340i; 2020-2024 G20 \/ G21 M340i\u003c\/li\u003e\n\u003cli\u003e2016-2019 F32 \/ F33 \/ F36 440i; 2020-2024 G22 \/ G23 \/ G26 M440i\u003c\/li\u003e\n\u003cli\u003e2016+ G30 540i; 2016-2023 G32 640i GT; 2016-2022 G11 \/ G12 740i\u003c\/li\u003e\n\u003cli\u003e2019+ G14 \/ G15 \/ G16 840i\u003c\/li\u003e\n\u003cli\u003e2018-2024 G01 X3 M40i and G02 X4 M40i; G05 X5 40i; G06 X6 40i; G07 X7 40i\u003c\/li\u003e\n\u003cli\u003e2019-2024 G29 Z4 M40i\u003c\/li\u003e\n\u003cli\u003eAlso fits the Toyota GR Supra A90 \/ A91 3.0T\u003c\/li\u003e\n\u003cli\u003exDrive versions included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChoose catless or high-flow catted\u003c\/li\u003e\n\u003cli\u003e5in diameter with smooth transitions\u003c\/li\u003e\n\u003cli\u003eAll stainless steel, TIG welded and back-purged\u003c\/li\u003e\n\u003cli\u003eFits RHD and LHD with no modifications\u003c\/li\u003e\n\u003cli\u003eOptional CEL delete kit (select in options)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eIntended for off-road and competition use only. Not legal for use on public roads in many areas. The catless version will set a check engine light; the CEL delete kit may not clear it on 2019+ vehicles. The high-flow catted version is not certified emissions legal. A supporting tune is recommended. Gen 3 (B58TU2) cars need a different downpipe.\u003c\/p\u003e","brand":"Palenon Performance","offers":[{"title":"Catless \/ Don't Add","offer_id":46665988669525,"sku":"DP-B58-Gen1T2-5CTS","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Catless \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988702293,"sku":"DP-B58-Gen1T2-5CTS-CEL","price":389.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Don't Add","offer_id":46665988735061,"sku":"DP-B58-Gen1T2-5CTD","price":529.99,"currency_code":"USD","in_stock":true},{"title":"High-flow Catted \/ Inline 4 \u0026 6 Cylinder Engines - Single","offer_id":46665988767829,"sku":"DP-B58-Gen1T2-5CTD-CEL","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/5_B58_downpipe.jpg?v=1794183335","url":"https:\/\/www.wrenchhaususa.com\/products\/bmw-b58-gen-1-gen-2-5in-race-downpipe","provider":"Wrench Haus","version":"1.0","type":"link"}