The Milltek Sport OPF/GPF Bypass for the Mini Cooper S & JCW F66 is designed to remove the restrictive factory OPF/GPF filter while retaining compatibility with the original OE exhaust system and OE downpipe.
By eliminating the OPF/GPF restriction, this bypass pipe significantly improves exhaust flow, sharpens throttle response, and enhances exhaust sound, making it an ideal upgrade for performance-focused drivers.
Manufactured to Milltek Sport’s exacting standards, this system provides a precise fit and durable performance.
Key Features
OPF / GPF bypass pipe for improved exhaust flow
Designed to fit OE OPF/GPF back system
Compatible with OE downpipe
Enhanced sound and performance
Motorsport-use product
Manufactured in the UK
Included Components
MSM370: OPF / GPF Bypass Pipe
F5130: Adapter to OE OPF/GPF Back System (76.5 I.D to 65.5 I.D, 170mm long)
⚠ Motorsport / Race Use Product
⚠ Fits OPF/GPF Models Only








