
A large bore downpipe with catalyst delete for the F30 328i and F32 428i. The larger diameter lets exhaust gases leave the N20 engine more freely, releasing extra power and a stronger sound.
Please note: This product is intended for off-road/motorsport use only and is not road legal. An ECU remap is required. A Stage 2 remap is required. Designed to be used with the Milltek cat-back system.
Features
- Larger bore than the factory downpipe for improved gas flow
- Catalyst replaced with a straight-through bypass pipe
- 76.20mm pipe diameter
- Classed as a race/motorsport product
- Made in the UK
Fitment
- BMW F30 328i Saloon
- BMW F32 428i Coupé