{"product_id":"active-autowerke-bmw-b58-f22-f30-f32-catted-downpipe-inc-m240i-340i-440i","title":"Active Autowerke BMW B58 GESi Catted Downpipe - Fits F20 F21 F22 F23 F30 F31 F32 F33 F36 G20 G21 G22 G23 (M140i M240i 340i M340i 440i M440i) - High-Flow OBD2 Compliant 4.5in 304 Stainless","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eSports Cat Front Pipe for 3.0 TwinPower Turbo Models\u003c\/h2\u003e\n  \n  \u003cp\u003eTransform throttle response, boost spool and exhaust tone with this premium sports catalytic converter front pipe for B58-powered 1, 2, 3 and 4 Series petrol models, including M140i, M240i, 340i, M340i, 440i and M440i. Crafted from 304 grade stainless with a large bellmouth entry, it delivers the free-flowing performance enthusiasts want while retaining emissions control and OBD II readiness.\u003c\/p\u003e\n  \n  \u003cp\u003eWe have installed this unit on customer cars at MJ Modifications and the feedback has been outstanding. Faster turbo response, smoother power delivery and a richer, deeper soundtrack with no drone. Customers report clean readiness monitors and no warning lights when paired with the supplied G-Sport catalyst.\u003c\/p\u003e\n  \n  \u003ch3\u003eWhy owners choose this upgrade\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eQuicker turbo spool for sharper mid-range punch and improved drivability\u003c\/li\u003e\n    \u003cli\u003eLower back pressure for more efficient power on both stock and tuned vehicles\u003c\/li\u003e\n    \u003cli\u003eRefined, deeper exhaust note while keeping cabin comfort on the motorway\u003c\/li\u003e\n    \u003cli\u003eBolt-on fit, no cutting or welding, designed to mate to the factory system\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eEngineering that makes a difference\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eLarge 4.5 inch primary that tapers smoothly to 3.5 inch, then to an 80 mm outlet to maintain flow to the OEM cat-back\u003c\/li\u003e\n    \u003cli\u003eNever drops below the factory 80 mm diameter for maximum performance headroom\u003c\/li\u003e\n    \u003cli\u003ePrecision cast stainless V-band for a perfect, leak-free seal at the turbo\u003c\/li\u003e\n    \u003cli\u003eTIG-welded 304 stainless steel with a robust flex section for durability\u003c\/li\u003e\n    \u003cli\u003eManufactured in Miami, Florida to a high standard of fit and finish\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eG-Sport UHO catalyst details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUltra High Output GESi G-Sport catalytic converter that is fully OBD II compliant\u003c\/li\u003e\n    \u003cli\u003eEPA certified for 1996 and newer vehicles in 49 states, engineered to reduce emissions\u003c\/li\u003e\n    \u003cli\u003eDesigned to prevent check engine lights, this 4.5 inch high-flow cat variant will not produce a CEL\u003c\/li\u003e\n    \u003cli\u003eRated for roughly 500 to 850 hp applications with exceptional flow capacity\u003c\/li\u003e\n    \u003cli\u003eWithstands up to 1500°F and reaches operating efficiency in around 9 seconds\u003c\/li\u003e\n    \u003cli\u003e300 CPSI, furnace-brazed substrate for long-term reliability\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 Series F20 F21 LCI M140i and M140i xDrive\u003c\/li\u003e\n    \u003cli\u003e2 Series F22 F23 LCI M240i and M240i xDrive\u003c\/li\u003e\n    \u003cli\u003e3 Series F30 F31 LCI 340i and 340i xDrive\u003c\/li\u003e\n    \u003cli\u003e3 Series G20 G21 M340i and M340i xDrive\u003c\/li\u003e\n    \u003cli\u003e4 Series F32 F33 F36 LCI 440i and 440i xDrive\u003c\/li\u003e\n    \u003cli\u003e4 Series G22 G23 M440i and M440i xDrive\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Not suitable for OPF, GPF or PPF equipped cars.\u003c\/p\u003e\n  \n  \u003ch3\u003eTech highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e4.5 inch bellmouth primary\u003c\/li\u003e\n    \u003cli\u003e80 mm outlet to match the factory exhaust\u003c\/li\u003e\n    \u003cli\u003eUltra high-flow 300 CPSI catalyst\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eEmissions and compliance\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOBD II compliant using the GESi UHO catalyst and EPA certified in 49 states\u003c\/li\u003e\n    \u003cli\u003eNot legal for vehicles registered in California\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cp\u003eDirect replacement for the factory front catalyst on B58 petrol models. For professional fitting, contact MJ Modifications in Warwickshire. Request a quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\u003c\/p\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\u003cstrong\u003e11-062\u003c\/strong\u003e\u003c\/p\u003e\n  \n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e5 year or 50,000 mile warranty on the catalytic converter.\u003c\/p\u003e\n  \n  \u003ch3\u003eLooking for these terms\u003c\/h3\u003e\n  \u003cp\u003eM140i sports cat, M240i sports cat, 340i front pipe, M340i sports catalytic converter, 440i turbo outlet pipe, M440i performance exhaust upgrade, B58 front pipe UK, B58 sports cat down pipe, BMW 3.0T cat pipe, V-band downpipe, stainless steel front catalyst, emissions friendly performance, no CEL downpipe, tuned B58 exhaust, xDrive compatible sports cat.\u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"Active Autowerke","offers":[{"title":"Default Title","offer_id":56008745091458,"sku":null,"price":1638.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/a1_41d4cc81-539b-4414-b4e7-8ac26678e734.webp?v=1764091709","url":"https:\/\/mjmodifications.co.uk\/products\/active-autowerke-bmw-b58-f22-f30-f32-catted-downpipe-inc-m240i-340i-440i","provider":"MJ Modifications","version":"1.0","type":"link"}