
These large bore downpipes are larger in diameter than the factory items, allowing exhaust gases to exit the engine more freely and improving efficiency. Combined with hi-flow sports catalysts, they deliver a significant increase in performance and a noticeable change in sound on the F80 M3 and F82 M4.
Please note: Designed to fit with the Milltek cat-back system only. Requires a Stage 2 ECU remap. Classed as a race product - intended for off-road/motorsport use only.
Features
- 76.2mm (3") large bore pipework
- Hi-flow sports catalysts
- Improved gas flow and performance
- Supplied as a pair
Fitment
- BMW F80 M3 (Non OPF)
- BMW F82 M4 (Non OPF)