{"product_id":"stone-exhaust-bmw-n55-f87-eddy-catalytic-downpipe","title":"Stone Exhaust Eddy Catalytic A215E Catted Downpipe for BMW M2 F87 N55 (2016+) - 80mm High Flow Sports Cat \/ Catalytic Converter Upgrade - SUS304 Stainless Turbo Downpipe Front Pipe - Euro 6 \u0026 UK MOT Legal, No CEL, Bolt-On","description":"\u003cdiv class=\"product__description rte\"\u003e\n  \n  \u003ch2\u003eBMW M2 F87 N55 Sports Catalyst Upgrade by Stone Exhaust\u003c\/h2\u003e\n  \u003cp\u003e\n    Unlock sharper throttle response, stronger mid-range pull and a deeper performance soundtrack with the Stone Exhaust Eddy Catalytic A215E. This large-bore 80 mm stainless sports catalyst replaces the restrictive factory catalyst on the BMW M2 F87 N55 3.0 turbo, improving gas flow while staying Euro 6 compliant and UK MOT friendly. It is a direct-fit, plug and play solution that keeps the engine management light off and delivers real gains without compromising drivability.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWhy enthusiasts choose this high-flow sports cat\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePatented Eddy Catalytic core for clean emissions at low rpm and freer flow at higher load\u003c\/li\u003e\n    \u003cli\u003e80 mm large-bore tubing for reduced back pressure and faster turbo response\u003c\/li\u003e\n    \u003cli\u003eOptimised oxygen sensor placement for stable fuelling and smooth power delivery\u003c\/li\u003e\n    \u003cli\u003eSUS304 304-grade stainless construction for durability, corrosion resistance and heat stability\u003c\/li\u003e\n    \u003cli\u003e7-axis CNC mandrel-bent pipework maintains round internal geometry and gas speed\u003c\/li\u003e\n    \u003cli\u003eReinforced turbo outlet flange with overlapping welds for strength under extreme temperatures\u003c\/li\u003e\n    \u003cli\u003e3D scanned OEM path for precision routing and factory-style fitment with no cutting\u003c\/li\u003e\n    \u003cli\u003eDesigned to run without triggering a check engine light when installed as intended\u003c\/li\u003e\n    \u003cli\u003eEuro 6 compliant, MOT friendly sports catalyst solution for road use in the UK\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003eProven performance you can feel\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePower increase: +16.90 PS at 5892 rpm\u003c\/li\u003e\n    \u003cli\u003eTorque increase: +15.9 ft lb at 3697 rpm\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Expect quicker turbo spool, punchier mid-range acceleration and a cleaner, more engaging exhaust note. The Eddy Catalytic design behaves like a higher cell cat at low speed for emissions control, then transitions to high-flow characteristics with a vortex effect as rpm and load rise.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eEngineering detail\u003c\/h3\u003e\n  \u003cp\u003e\n    Stone Exhaust reverse engineers the factory component with 3D scanning, then validates the geometry with flow, thermal and pressure simulations. The final assembly is integrally formed from SUS304 stainless, delivering consistent wall thickness, exact flange alignment and long-term reliability.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eFitment\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW M2 F87 2016+ with N55 engine\u003c\/li\u003e\n    \u003cli\u003eDirect bolt-on using the original mounting points and sensor locations\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003ch3\u003ePart number\u003c\/h3\u003e\n  \u003cp\u003e\n    A215E\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eRecommended pairing\u003c\/h3\u003e\n  \u003cp\u003e\n    For a complete exhaust upgrade, combine this A215E sports catalyst with the Stone Exhaust M2 F87 N55 Cat-Back Valvetronic System to enhance flow, response and tone across the rev range.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eProfessional fitting\u003c\/h3\u003e\n  \u003cp\u003e\n    Want it supplied and fitted by specialists We can install this system at MJ Modifications in Warwickshire. Request a fitting quote at \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eTried and trusted\u003c\/h3\u003e\n  \u003cp\u003e\n    We have fitted and run this Stone Exhaust Eddy Catalytic A215E on our own N55 cars and for many BMW M2 customers. Feedback has been consistently excellent, with quicker spool, smoother torque delivery and no warning lights when installed correctly.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eWarranty\u003c\/h3\u003e\n  \u003cp\u003e\n    Stone Exhaust 2-year warranty.\n  \u003c\/p\u003e\n  \n  \u003ch3\u003eCompatibility check\u003c\/h3\u003e\n  \u003cp\u003e\n    We will confirm compatibility before dispatch. Add your UK registration or the last 7 of your VIN at checkout so we can ensure the correct M2 F87 N55 part is supplied.\n  \u003c\/p\u003e\n  \n  \u003chr\u003e\n  \n  \u003cp style=\"font-size:12px; color:#666;\"\u003e\n    Search terms: BMW M2 F87 N55 sports catalyst, M2 high flow cat 80mm, stainless steel 304 catalyst pipe, turbo down pipe M2 F87, performance catalyst BMW M2 N55, MOT legal sports cat UK, Euro 6 compliant catalyst M2, large bore exhaust catalyst, CEL free sport cat M2, check engine light safe catalyst, bolt-on catalyst upgrade BMW M2, oxygen sensor friendly cat, lambda sensor placement M2, turbo spool upgrade N55, Stone Exhaust A215E sports catalyst, BMW M2 F87 exhaust upgrade UK, Warwickshire BMW performance fitting, MJ Modifications fitting service.\n  \u003c\/p\u003e\n  \n\u003c\/div\u003e","brand":"Stone Exhaust","offers":[{"title":"Default Title","offer_id":55977894412674,"sku":null,"price":1464.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/1__84236.webp?v=1763377197","url":"https:\/\/mjmodifications.co.uk\/products\/stone-exhaust-bmw-n55-f87-eddy-catalytic-downpipe","provider":"MJ Modifications","version":"1.0","type":"link"}