Milltek BMW F80 F82 F83 GPF/OPF Back Exhaust System - M3 and M4
Transform the sound and presence of your BMW M3 and M4 with the Milltek Sport GPF back exhaust system. Built in the UK for OPF and GPF equipped models from September 2018 onwards, this Milltek OPF back exhaust is engineered to overcome the sound-reducing effect of the particulate filter and deliver the deep, motorsport-inspired tone M owners want. If you are searching for BMW M3 exhaust, BMW M4 exhaust, F80 M3 exhaust, F82 M4 exhaust, F83 M4 Convertible exhaust, Milltek M3 M4 exhaust, OPF back exhaust, GPF back exhaust, valved exhaust, EC approved exhaust, race exhaust, or GT-90 tailpipes, this system is designed for you.
This is a direct replacement GPF/OPF back exhaust that reuses the factory valve motors, so the adaptive valves operate just like OEM for a refined drive in Comfort and an aggressive soundtrack in Sport. The result is a significant sound improvement without compromising everyday usability. We have installed these systems on customer cars and the feedback on fit, finish and tone has been excellent.
Why choose the Milltek OPF back exhaust for BMW M3 and M4
- Designed specifically for GPF and OPF equipped BMW M3 F80 and BMW M4 F82 F83 models from September 2018 onwards
- Reuses OE valve motors for fully functional valve control as per factory specification
- Choice of EC approved road systems or race non EC approved systems
- Multiple GT-90 tailpipe finishes - Polished, Cerakote Black, Titanium, Burnt Titanium, Carbon Jet-90
- UK made by Milltek Sport for quality, performance and a rich exhaust note
- Intended to be fitted with Milltek Large Bore Downpipes with GPF/OPF delete and High Flow Sports Cat if desired
What is an OPF back exhaust
An OPF back or GPF back exhaust replaces the system after the factory particulate filter. It is ideal for owners who want a sound upgrade on OPF equipped cars while retaining the original emissions hardware.
What is included
- MSBM311 - Centre Section - EC Approved
- F20370 - Brace Bar
- MSBM269 - Rear Silencer Connecting Pipe Left Hand
- MSBM270 - Rear Silencer Connecting Pipe Right Hand
- MSBM256 - Rear Silencer
- 4 x GT-90 tailpipe trims in your chosen finish
Compatibility
- BMW M Series F80 M3 Saloon - GPF/OPF models only - September 2018 to present
- BMW M Series F82 M4 Coupé and Competition Coupé - GPF/OPF models only - September 2018 to present
- BMW M Series F83 M4 Convertible - GPF/OPF models only - September 2018 to present
Important notes
- Only fits OPF and GPF equipped models
- Reuses OE valve motors - adaptive valves operate as per OEM
- Race - Non EC Approved systems are for off road and motorsport use where applicable
Part numbers and finishes
- SSXBM1117 - Race - Non EC Approved - Polished GT-90
- SSXBM1118 - Race - Non EC Approved - Cerakote Black GT-90
- SSXBM1119 - Race - Non EC Approved - Titanium GT-90
- SSXBM1120 - Race - Non EC Approved - Burnt Titanium GT-90
- SSXBM1121 - Race - Non EC Approved - Carbon Jet-90
- SSXBM1122 - Road - EC Approved - Polished GT-90
- SSXBM1123 - Road - EC Approved - Cerakote Black GT-90
- SSXBM1124 - Road - EC Approved - Titanium GT-90
- SSXBM1125 - Road - EC Approved - Burnt Titanium GT-90
- SSXBM1126 - Road - EC Approved - Carbon Jet-90
Compatibility check before dispatch
We will confirm fitment before shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can verify compatibility for your BMW M3 or M4.
Professional fitting available
Want this Milltek BMW M3 and M4 OPF back exhaust professionally installed? Choose Nforcd in Warwickshire for expert fitting and setup. Request a fitting quote at Sales@nforcd.com.
Manufacturer
Milltek Sport - UK made performance exhausts supplied worldwide
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