Milltek Cat-back Exhaust - OE-style Twin Outlet - Resonated Quieter System with Cerakote Black Tips - BMW F32 428i Coupe N20 Automatic 2014-2020 - Part No. SSXBM1011
Upgrade your BMW 4 Series 428i with the Milltek Sport cat-back exhaust for the F32 428i Coupe, N20 engine, automatic transmission, without tow bar. This resonated cat-back system delivers a refined, sporty soundtrack with reduced cabin drone, OE-style twin-outlet aesthetics and durable Cerakote black tips. Part number SSXBM1011.
Why choose Milltek for your BMW 428i exhaust upgrade
- UK designed, developed and hand-finished by skilled craftsmen
- Constructed from aerospace-grade type 304 non-magnetic stainless steel for long-lasting durability and resistance to discolouration
- Mandrel-bent pipework for constant radius bends and optimised gas flow
- Carefully enlarged bore diameters over stock to enhance performance without sacrificing mid-range torque
- Comprehensive acoustic development for a crisp, sporty tone with no intrusive NVH, drone or cabin resonance
- Resonated configuration for a more subtle, quieter everyday drive compared to non-resonated systems
- OE-style twin outlet layout with tough Cerakote black tips for a stealthy factory-plus finish
Fitment
- BMW 4 Series F32 428i Coupe
- Engine: N20
- Transmission: Automatic
- Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020
- Vehicle must be without tow bar
- Part number: SSXBM1011
Sound and driving experience
This Milltek resonated cat-back gives your BMW 428i a deeper, more engaging exhaust note while remaining refined on the motorway. The system has been tuned to be sporty and crisp under load without unwanted drone, making it ideal for daily driving and spirited weekend runs.
What you get
- Milltek Sport cat-back exhaust system - resonated configuration
- OE-style twin-outlet rear section with Cerakote black tips
- Premium T304 stainless steel pipework and silencers
Nforcd recommendation
We have supplied and fitted this Milltek cat-back on multiple BMW F32 428i N20 cars and the feedback has been excellent. Customers love the high-quality finish, the stealthy Cerakote black tips and the balanced, drone-free sound. It is a smart, premium upgrade for anyone searching for a BMW 428i exhaust that looks OE-plus and sounds right.
Professional fitting
For fitting, we recommend booking with Nforcd in Warwickshire. Email Sales@nforcd.com to request a fitting quote and availability.
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Important notes
- Resonated equals quieter than non-resonated while still enhancing tone
- Cat-back layout retains factory catalytic converter
- Ensure vehicle specification matches: F32 428i Coupe, N20, automatic, without tow bar