{"product_id":"milltek-large-bore-downpipe-and-hi-flow-sports-cat-adds-milltek-sport-active-sound-v2-to-oe-sound-generator-i8-1-5t-hybrid-2014-2021-ssxbm1151","title":"Milltek Sport Large-Bore Downpipe \u0026 Hi-Flow Sports Cat for BMW i8 1.5T Hybrid (2014–2021) - T304 Stainless - Adds Active Sound V2 to OE Sound Generator - Performance Exhaust Upgrade - SSXBM1151","description":"\u003cdiv\u003e\n  \u003ch2\u003eMilltek Large Bore Downpipe and Hi-Flow Sports Cat for BMW i8 1.5T Hybrid 2014 to 2021 — SSXBM1151\u003c\/h2\u003e\n\n  \u003cp\u003eUnlock the performance and sound your BMW i8 deserves with the Milltek Large Bore Downpipe and Hi-Flow Sports Cat, part number SSXBM1151. Engineered specifically for the BMW i8 1.5T Hybrid model years 2014 to 2021, this premium performance exhaust upgrade delivers improved gas flow, sharper throttle response and a deeper, sportier tone. It also adds Milltek Sport Active Sound V2 to the OE sound generator for a richer, more engaging soundtrack inside the cabin.\u003c\/p\u003e\n\n  \u003ch3\u003eWhy choose Milltek for your BMW i8 downpipe and sports cat\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned, developed and hand finished in the UK by time-served craftsmen.\u003c\/li\u003e\n    \u003cli\u003eAerospace grade type 304 stainless steel throughout — non-magnetic, highly resistant to corrosion and discolouration.\u003c\/li\u003e\n    \u003cli\u003eLarge bore, mandrel-bent pipework for optimised gas flow and reduced back pressure.\u003c\/li\u003e\n    \u003cli\u003eHi-flow sports catalyst for improved exhaust efficiency while maintaining drivability.\u003c\/li\u003e\n    \u003cli\u003eComprehensive acoustic development for a crisp, sporty exhaust note without unwanted drone or cabin resonance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey benefits and search-friendly highlights\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBMW i8 downpipe upgrade for 2014, 2015, 2016, 2017, 2018, 2019, 2020 and 2021 1.5T Hybrid models.\u003c\/li\u003e\n    \u003cli\u003eMilltek Large Bore Downpipe and High Flow Sports Cat for BMW i8.\u003c\/li\u003e\n    \u003cli\u003ePerformance exhaust upgrade for BMW i8 turbo — improved flow and response.\u003c\/li\u003e\n    \u003cli\u003eStainless steel T304 BMW i8 sports cat and downpipe — durable, UK made.\u003c\/li\u003e\n    \u003cli\u003eAdds Milltek Sport Active Sound V2 to OE sound generator for enhanced cabin sound.\u003c\/li\u003e\n    \u003cli\u003eMandrel bent i8 down pipe with enlarged bore for maximum efficiency.\u003c\/li\u003e\n    \u003cli\u003eDirect performance enhancement potential with a refined, motorsport inspired tone.\u003c\/li\u003e\n    \u003cli\u003eMilltek part number SSXBM1151 — exact fitment for BMW i8 1.5T Hybrid.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat you will feel and hear\u003c\/h3\u003e\n  \u003cp\u003eThis Milltek downpipe and hi-flow sports catalyst combination frees up the i8’s turbocharged 1.5T engine, reducing restriction to help the car breathe more efficiently. Expect a keener throttle response, stronger pull through the revs and a more characterful, performance-oriented soundtrack. Inside the cabin, the integration that adds Milltek Sport Active Sound V2 to the OE sound generator provides a deeper, more engaging note that complements the upgraded hardware.\u003c\/p\u003e\n\n  \u003ch3\u003eCraftsmanship you can trust\u003c\/h3\u003e\n  \u003cp\u003eMilltek’s use of type 304 stainless steel, precise mandrel bending and careful enlargement over stock diameters ensure optimised flow without sacrificing mid-range torque. The system undergoes rigorous acoustic development to deliver a tone that is sporty and crisp, without NVH, drone or unwanted resonance — exactly what you want from a premium BMW i8 exhaust upgrade.\u003c\/p\u003e\n\n  \u003ch3\u003eFitment and part details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVehicle: BMW i8 1.5T Hybrid\u003c\/li\u003e\n    \u003cli\u003eYears: 2014 to 2021\u003c\/li\u003e\n    \u003cli\u003eProduct: Milltek Large Bore Downpipe and Hi-Flow Sports Cat\u003c\/li\u003e\n    \u003cli\u003eIntegration: Adds Milltek Sport Active Sound V2 to OE sound generator\u003c\/li\u003e\n    \u003cli\u003eMaterial: Type 304 stainless steel\u003c\/li\u003e\n    \u003cli\u003ePart Number: SSXBM1151\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eProven by us and loved by our customers\u003c\/h3\u003e\n  \u003cp\u003eWe have fitted and used Milltek BMW i8 downpipes and sports cats for our own builds and customer cars, and feedback has been consistently positive. Customers praise the improved response, refined sound quality and long-term durability — exactly what you want from a performance exhaust upgrade for the i8.\u003c\/p\u003e\n\n  \u003ch3\u003eProfessional fitting available\u003c\/h3\u003e\n  \u003cp\u003eFor expert installation and advice, we recommend having this kit fitted by us at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com and our team will be happy to help.\u003c\/p\u003e\n\n  \u003cp\u003eUpgrade your BMW i8 with the Milltek Large Bore Downpipe and Hi-Flow Sports Cat SSXBM1151 — the performance exhaust solution for improved flow, sound and driving excitement.\u003c\/p\u003e\n\n  \u003cp\u003eNote: This is a performance part. Please check local regulations for road use in your region.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":42448855367868,"sku":"SSXBM1151_P1","price":859.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/products\/2022MLPlogo-imagecommingsoon_1946x_1024x1024_2x_c0b8a351-29b1-4edc-bb7b-268f516e4d0f.webp?v=1673128955","url":"https:\/\/www.nforcd.com\/products\/milltek-large-bore-downpipe-and-hi-flow-sports-cat-adds-milltek-sport-active-sound-v2-to-oe-sound-generator-i8-1-5t-hybrid-2014-2021-ssxbm1151","provider":"Nforcd","version":"1.0","type":"link"}