Overview
OPF/GPF-back performance exhaust system for BMW G8X M3 and M4 (2020+). Direct factory fitment with centre resonator bypass valve and GT-115 burnt/blue titanium trims. OE particulate filter removal required.
Hand-finished T304L stainless steel construction, mandrel-bent throughout. CNC-formed titanium trim options. Valved centre resonator tuned to compensate for OPF/GPF sound-dampening characteristics while maintaining street-legal compliance. Engineered tone character optimized for M3/M4 powertrains.
Details
Fitment:
- BMW M3 G80 (S58 engine, 2020+)
- BMW M4 G82/G83 (S58 engine, 2020+)
- Requires OE OPF/GPF removal - no factory hangers modify required post-cut
Hand-crafted precision, dyno-proven performance gains, and engineered resonance tuning that sets performance exhausts apart from universal-fit alternatives.
Fits OE system.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Fitment
| Years | Make | Model | Engine Family | Engine | Trim |
|---|---|---|---|---|---|
| 2021-2024 | BMW | M3 (G80) | S58 | 3.0TT | All |
| 2021-2024 | BMW | M4 (G82) | S58 | 3.0TT | Coupe |
