Milltek Cat-Back BMW 3 Series F80 M3 2014-2018, 4 Series F82-F83 M4 2014-2018, Non-Resonated, Quad GT90 Polished
Milltek Sport stainless steel exhaust system for BMW 3 Series F80 M3 / 4 Series F82-F83 M4, non-resonated (no intermediate muffler), with valves. The Milltek sound signature: deep at idle, aggressive at high revs, with a flawless finish. 4 GT90 outlets, 90 mm, polished stainless steel finish.
Milltek Sport exhaust system for BMW 3 Series F80 M3 / 4 Series F82-F83 M4
Does the original sound of your BMW 3 Series F80 M3 / 4 Series F82-F83 M4 leave you wanting more? This Milltek Sport stainless steel cat-back exhaust is the most requested upgrade among owners: more presence, a true sound signature and build quality that lasts.
Technical specifications
- Milltek part number: SSXBM1146
- Part type: Exhaust system
- Configuration: non-resonated (no resonator), with exhaust valves
- Details: No resonator - quad GT90 polished stainless steel tips
- Tube diameter: 70 mm (2.75 inches)
- Outlets: 4 GT90 tips, 90 mm
- Tip finish: polished stainless steel
- Installation information: Requires cutting the original exhaust - New Design “Equal Length” - With exhaust valves
- Material: aerospace-grade stainless steel
- Manufacturer: Milltek Sport (UK)
Compatible vehicles
- BMW 3 Series F80 M3 3.0 Biturbo (incl. M3 Competition, Sedan, 2014-2018, without DPF)
- BMW 4 Series F82-F83 M4 3.0 Biturbo (M4 and M4 Competition, Coupe, Convertible, 2014-2018, without DPF)
Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.
Most frequently asked questions
- Resonated or non-resonated? This version is non-resonated (no resonator): it is the most expressive, with more crackle on lift-off. The trade-off is a slight drone that can appear at certain engine speeds on long trips. If you do a lot of highway driving, compare it with the resonated version.
- And the neighbors in the morning? The valves are controlled as on the original: system closed and discreet on startup or in comfort mode, fully open in sport mode.
- Installation: fitting requires cutting the original exhaust. We recommend having a professional handle the installation.
Why choose Milltek Sport?
A reference among European tuners, Milltek Sport tunes each of its systems directly on the vehicle. Mandrel bends, careful welds and aerospace-grade stainless steel ensure a system that lasts and sounds right.
Going further
| Materials | Stainless steel |
|---|---|
| Diameter | 70mm (2.75 in) |
| Product family | Exhausts |
| Exhaust | Cat-back exhaust |
| Exhaust options | Polished stainless tips Without resonator (straight pipe) with valves |
| Homologation: | No homologation |
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