Supersprint Valved Rear Exhaust - BMW 3 Series F80 M3 | F82 | F83 M4

Fitted with bypass valve compatible with the OEM electric motor, which must be removed from the stock system and fitted to the apposite dock. Stock valve control system unchanged. Electric motor (visible in the picture) not included.

Highest differential between loud and quiet mode.

Direct flow system in both modes for optimal performance.

Manufactured in european-sourced Aisi 304 Stainless Steel, 36 months warranty.