Milltek Cat-back Exhaust 435i-style Dual-Outlet, Resonated, Cerakote Black Tips for BMW F32 428i Coupe N20 2014-2020 — Part No. SSXBM1015
Transform your BMW 4 Series with the Milltek Sport cat-back exhaust system for the F32 428i Coupe. This 435i-style dual-outlet, resonated cat-back with Cerakote Black tips delivers a refined, sporty soundtrack and a purposeful look while maintaining long-distance comfort. Part number SSXBM1015.
Made in the UK and hand-finished, this Milltek exhaust is built from aerospace grade type 304 non-magnetic stainless steel for outstanding durability, corrosion resistance and a premium finish. Precision mandrel-bent pipework and carefully optimised bore sizes promote excellent gas flow and responsiveness, while Milltek’s acoustic development ensures a crisp, engaging tone without NVH, drone or cabin resonance.
Why choose this Milltek cat-back for your BMW 428i F32
- 435i-style dual-outlet conversion for a more aggressive, OEM-plus rear end
- Resonated system for a quieter, refined sound on the motorway with a sporty note under load
- Cerakote Black tips for a stealthy, premium finish
- Aerospace grade type 304 stainless steel throughout for long-term reliability
- Mandrel-bent tubing and enlarged bores for optimised gas flow
- Comprehensive acoustic tuning for a crisp tone without drone
- Designed, developed and hand-finished in the UK
- Milltek quality, performance and fit that enthusiasts trust
Fitment and requirements
- Vehicle: BMW 4 Series F32 428i Coupe
- Engine: N20 petrol
- Transmission: Automatic models only
- Years: 2014 to 2020
- Tow bar: Not compatible with vehicles fitted with a tow bar
- Rear valance: Requires 435i M Sport rear valance from your BMW dealer to complete the dual-outlet look
- Part number: SSXBM1015
Real-world results
We have supplied and fitted this Milltek cat-back on customer F32 428i builds and the feedback is consistently positive. Owners love the deeper, more characterful exhaust note, the smart Cerakote Black tips and the OEM-plus 435i-style dual-outlet appearance. It elevates the driving experience without sacrificing everyday comfort.
Professional fitting
For installation, we recommend our in-house fitting service at Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quote and availability. We can also advise on sourcing the required 435i M Sport rear valance from your BMW dealer.
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