{"product_id":"cobra-bmw-n55-f40-m135i-front-downpipe-sports-cat-de-cat-to-cobra-sport-performance-exhaust-package","title":"Cobra Sport Front Downpipe for BMW 1 Series F40 M135i xDrive (M135ix) 2019+ â€” Sports Cat or De-Cat, Resonated or Non-Resonated â€” 3 Inch (76.2mm) T304 Stainless â€” Connects to Cobra GPF-Back or Cat-Back Performance Exhaust","description":"\u003cdiv\u003e\n  \u003ch2\u003eBMW F40 M135i xDrive Front Pipe Upgrade by Cobra Sport - 76.2 mm 3 inch Stainless Performance System\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Give your M135i xDrive the soundtrack and response it deserves with Cobra Sport’s turbo front pipe. This UK-made system uses 304-grade stainless steel throughout with mandrel-formed 76.2 mm tubing, meticulous TIG welds and CNC-cut flanges for a precise fit and long-term durability. Available with a high-flow sports catalyst or a catless option, plus resonated or straight-through centre section choices, it is a proven way to reduce back pressure, sharpen throttle response and unlock a deeper, more purposeful tone.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This front section is designed to mate specifically to Cobra Sport rear systems - choose the connection to suit either Cobra GPF-back or Cobra cat-back on your BMW 1 Series F40 M135i xDrive. At MJ Modifications we have fitted these on customer cars and our own demonstrators, and the feedback on fitment, finish and sound quality has been consistently excellent. Backed by Cobra Sport’s lifetime warranty for the original purchaser.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhy enthusiasts choose this upgrade\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eLarge-bore 3 inch 76.2 mm pipework for freer breathing and improved flow potential\u003c\/li\u003e\n    \u003cli\u003ePremium 304 stainless construction, TIG welded, with precision stainless flanges\u003c\/li\u003e\n    \u003cli\u003eChoice of catted sports catalyst or catless front section for maximum flow on motorsport vehicles\u003c\/li\u003e\n    \u003cli\u003ePick resonated for a refined note or non-resonated for a more aggressive soundtrack\u003c\/li\u003e\n    \u003cli\u003eDirect connection options to Cobra OPF-back, GPF-back or Cobra cat-back rear sections\u003c\/li\u003e\n    \u003cli\u003eDeeper, sportier tone with road-friendly refinement when resonated is selected\u003c\/li\u003e\n    \u003cli\u003eMade in Britain with a lifetime guarantee to the original buyer\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eOptions explained\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSports catalyst vs catless:\u003c\/strong\u003e The high-flow sports cat retains a converter while improving flow. The de-cat option offers the least restriction and is intended for track use and off-road applications where permitted.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResonated vs non-resonated:\u003c\/strong\u003e Resonated includes a centre silencer for a more civilised, bass-rich tone. Non-resonated removes the centre silencer for a louder, rawer character.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e Select the version that links to your existing Cobra rear section - either Cobra GPF-back or Cobra cat-back - for a seamless, bolt-on fit.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePart numbers\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBM141A - Sports Cat, Resonated, To Cobra GPF Back\u003c\/li\u003e\n    \u003cli\u003eBM140A - Sports Cat, Resonated, To Cobra Cat Back\u003c\/li\u003e\n    \u003cli\u003eBM141B - Sports Cat, Non-Resonated, To Cobra GPF Back\u003c\/li\u003e\n    \u003cli\u003eBM140B - Sports Cat, Non-Resonated, To Cobra Cat Back\u003c\/li\u003e\n    \u003cli\u003eBM141C - De-Cat, Resonated, To Cobra GPF Back\u003c\/li\u003e\n    \u003cli\u003eBM140C - De-Cat, Resonated, To Cobra Cat Back\u003c\/li\u003e\n    \u003cli\u003eBM141D - De-Cat, Non-Resonated, To Cobra GPF Back\u003c\/li\u003e\n    \u003cli\u003eBM140D - De-Cat, Non-Resonated, To Cobra Cat Back\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eVehicle compatibility\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW 1 Series F40 M135i xDrive M135ix, 2019 onwards.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFitment details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplaces the OE front section with 76.2 mm 3 inch performance pipework\u003c\/li\u003e\n    \u003cli\u003eRuns from the turbo outlet area to the mid-section\u003c\/li\u003e\n    \u003cli\u003eWhen paired with a Cobra rear system, the supplied SLJ is not required\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSound and driveability\u003c\/h3\u003e\n  \u003cp\u003e\n    Non-resonated options deliver the most volume and drama. Resonated systems keep cruising volumes sensible while adding a deeper, more authoritative note under load. The freer-flowing design supports future tuning and pairs perfectly with Cobra Sport GPF-back or cat-back systems for a complete performance exhaust package on the F40 M135i xDrive.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation and support\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional fitting recommended. MJ Modifications in Warwickshire can supply and install this system - request a quote at info@mjmodifications.co.uk. Basic ECU calibration may be required at the time of installation to prevent an EML when using sports cat or de-cat options.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eImportant notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFor off-road and motorsport use only where applicable. Always check local regulations regarding catalyst and OPF\/GPF modifications.\u003c\/li\u003e\n    \u003cli\u003eCobra lifetime warranty applies to the original purchaser only.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhy buy from MJ Modifications\u003c\/h3\u003e\n  \u003cp\u003e\n    We fit these Cobra Sport front sections week in, week out. Our customers praise the build quality, the straightforward installation and the way this upgrade transforms the M135i xDrive’s character. Order with confidence and get expert guidance from our team.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eSearch-friendly terms\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW M135i F40 front pipe, M135ix xDrive performance exhaust section, BMW 1 Series F40 turbo outlet pipe, high flow catalyst M135i, catless downpipe M135i, OPF-back connection, GPF-back connection, cat-back compatible, 3 inch 76.2 mm stainless tube, UK made exhaust, TIG welded 304 stainless, performance front section BMW M135i, track day exhaust M135i, straight pipe centre section, resonated centre silencer, bolt-on upgrade F40 M135i, BMW hot hatch exhaust upgrade.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Cobra","offers":[{"title":"Sports Cat \/ Resonated \/ To Cobra GPF Back","offer_id":56005706350978,"sku":null,"price":1097.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/BMW-M135-F40-GPFfitment-SportsCat-Res-FrontPipe-Cobra-Exhaust-BM141a_640x640_crop_center_2_1946x_3e5df529-cec0-4eb0-a403-78e48c19bb9e.png?v=1764021701","url":"https:\/\/mjmodifications.co.uk\/products\/cobra-bmw-n55-f40-m135i-front-downpipe-sports-cat-de-cat-to-cobra-sport-performance-exhaust-package","provider":"MJ Modifications","version":"1.0","type":"link"}