{"product_id":"milltek-sports-cat-downpipe-bmw-4-series-g22-m440i-coupe-opf-gpf-pre-lci-20-25","title":"Milltek Sports Cat Downpipe BMW 4 Series G22 M440i Coupe OPF\/GPF Pre LCI 20-25","description":"\u003ch2\u003eMilltek Downpipe \u0026amp; Sports Cat for BMW 2 Series M240i Coupé (G42 XDrive OPF\/GPF Models Only - Non Hybrid Pre LCI) (2022-2025) – Improved Flow, Sports Catalyst\u003c\/h2\u003e\n\u003cp\u003eThis is Milltek's large-bore downpipe with hi-flow sports cat for the BMW 4 Series G22 M440i Coupe (OPF\/GPF Equipped Models Only) Pre LCI. It replaces the restrictive factory downpipe with a larger-bore pipe fitted with a high-flow sports catalyst in place of the standard unit, using a less dense substrate that flows significantly better than the factory cat while still treating the exhaust gases passing through it.\u003c\/p\u003e\n\u003cp\u003eIt sits between a stock downpipe and a full de-cat: a genuine flow gain suited to a Stage 1 or Stage 2 remap, without giving up the catalyst entirely the way a de-cat pipe does.\u003c\/p\u003e\n\u003cp\u003eIn the UK, a replacement catalyst on a car first registered from 1 March 2001 needs ECE R103 type-approval to be road legal, so check the EC Approved line in the specification for the version you choose.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Large Bore Downpipe and Hi-Flow Sports Cat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Diameter:\u003c\/strong\u003e 90mm (3.54\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace System:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration\u003c\/li\u003e\n\u003cli\u003eMandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow\u003c\/li\u003e\n\u003cli\u003e90mm (3.54\") pipework\u003c\/li\u003e\n\u003cli\u003eHigh-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases\u003c\/li\u003e\n\u003cli\u003eDesigned, developed and manufactured in the UK by Milltek Sport\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW 2 Series M240i Coupé (G42 XDrive OPF\/GPF Models Only - Non Hybrid Pre LCI) (2022-2025)\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series G20 \u0026amp; G21 M340i XDrive Saloon \u0026amp; Touring Models (OPF\/GPF Models Only) Pre LCI (2019-2025)\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series G22 M440i Coupe (OPF\/GPF Equipped Models Only) Pre LCI (2020-2025)\u003c\/li\u003e\n\u003cli\u003eBMW Z4 G29 3.0 I6 (B58) (OPF\/GPF Models only) (2019 onwards)\u003c\/li\u003e\n\u003cli\u003eToyota\/Lexus Supra A90 Coupe 3.0 Turbo (UK\/European with OPF\/GPF) - Both Auto \u0026amp; Manual Models (2019 onwards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the BMW 2 Series M240i Coupé (G42 XDrive - NAS Non OPF\/GPF Models Only), which needs the \u003ca href=\"\/products\/milltek-sports-cat-downpipe-bmw-2-series-m240i-coupe-g42-xdrive-nas-non-opf-gpf-22\"\u003eMilltek Downpipe \u0026amp; Sports Cat BMW 2 Series M240i Coupé (G42 XDrive - NAS Non OPF\/GPF Only) 22+\u003c\/a\u003e; the BMW 2 Series M2 Coupe (G87 S58 OPF\/GPF Models), which needs the \u003ca href=\"\/products\/milltek-hjs-tuning-ece-downpipes-bmw-2-series-m2-coupe-g87-s58-opf-gpf-23\"\u003eMilltek HJS Tuning ECE Downpipes BMW 2 Series M2 Coupe G87 S58 OPF\/GPF 23+\u003c\/a\u003e; the BMW 2 Series M2 Coupe (G87 S58 NAS Non-OPF\/GPF Models), which needs the \u003ca href=\"\/products\/milltek-sports-cat-downpipe-bmw-2-series-m2-coupe-g87-s58-opf-gpf-23\"\u003eMilltek Sports Cat Downpipe BMW 2 Series M2 Coupe G87 S58 OPF\/GPF 23+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThis work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Further\u003c\/h3\u003e\n\u003cp\u003eAlso available from Milltek for this car: \u003ca href=\"\/products\/milltek-gpf-opf-bypass-bmw-2-series-m240i-coupe-g42-xdrive-opf-gpf-non-hybrid-pre-lci-22-25\"\u003eMilltek GPF\/OPF Bypass BMW 2 Series M240i Coupé (G42 XDrive OPF\/GPF - Non Hybrid Pre LCI) 22-25\u003c\/a\u003e, \u003ca href=\"\/products\/milltek-cat-back-exhaust-bmw-2-series-m240i-coupe-g42-xdrive-opf-gpf-non-hybrid-pre-lci-22-25\"\u003eMilltek Cat-back Exhaust BMW 2 Series M240i Coupé (G42 XDrive OPF\/GPF - Non Hybrid Pre LCI) 22-25\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill it fit the BMW 3 Series G20 \u0026amp; G21 M340i XDrive Saloon \u0026amp; Touring Models (OPF\/GPF Models Only) Pre LCI?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek lists this part for the BMW 3 Series G20 \u0026amp; G21 M340i XDrive Saloon \u0026amp; Touring Models (OPF\/GPF Models Only) Pre LCI as well as the other models in the fitment list above.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the BMW 2 Series M240i Coupé (G42 XDrive - NAS Non OPF\/GPF Models Only)?\u003c\/h3\u003e\n\u003cp\u003eNo. For that car, choose the \u003ca href=\"\/products\/milltek-sports-cat-downpipe-bmw-2-series-m240i-coupe-g42-xdrive-nas-non-opf-gpf-22\"\u003eMilltek Downpipe \u0026amp; Sports Cat BMW 2 Series M240i Coupé (G42 XDrive - NAS Non OPF\/GPF Only) 22+\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eIs it road legal?\u003c\/h3\u003e\n\u003cp\u003eMilltek does not list EC approval for this part. Any exhaust used on the road must still meet noise and emissions rules, so check the requirements where you live.\u003c\/p\u003e\n\u003ch3\u003eDo I need a remap?\u003c\/h3\u003e\n\u003cp\u003eA suitable remap is strongly recommended, as the engine management needs to account for the change in flow and sensor readings. Speak to your tuner before fitting.\u003c\/p\u003e\n\u003ch3\u003eHow is a sports cat different from a de-cat?\u003c\/h3\u003e\n\u003cp\u003eA sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.\u003c\/p\u003e\n\u003ch3\u003eWhat is it made from?\u003c\/h3\u003e\n\u003cp\u003eT304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.\u003c\/p\u003e\n\u003ch3\u003eIs there a warranty?\u003c\/h3\u003e\n\u003cp\u003eYes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.\u003c\/p\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":56392779006337,"sku":"MIL-SSXTY168","price":928.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/3232\/7161\/files\/SSXTY168_2_8136842c-bafe-4730-b2b7-77b2d8a2007a.jpg?v=1791892355","url":"https:\/\/milltekexhaustshop.com\/products\/milltek-sports-cat-downpipe-bmw-4-series-g22-m440i-coupe-opf-gpf-pre-lci-20-25","provider":"Milltek Exhaust Shop","version":"1.0","type":"link"}