
Large bore downpipes with hi-flow sports catalysts for the E90 and E92 M3. The less restrictive catalysts replace the dense factory items, improving gas flow and allowing the engine to breathe more freely.
Please note: Designed to be used with the Milltek cat-back system. Requires a Stage 2 ECU remap. This is classed as a race product.
Features
- Hi-flow sports catalysts reduce restriction compared with the factory catalysts
- Large bore downpipes maximise the benefit of the sports cats
- 70.00mm pipe diameter
- Classed as a race/motorsport product
- Made in the UK
Fitment
- BMW E90 M3 Saloon
- BMW E92 M3 Coupé