RamSpeed valve-tronic cat-back exhaust system for BMW 1M

Exhaust system made of stainless steel 1 x 76mm diameter with 4 x 90 mm rolled up tail pipes and flap control with chromed tips or black ceramic coated tips. Valves open with level of acceleration / backpressure (loud and quiet) includes an inside cabin kit, integration of on/off button in centre console for manual opening and closing of valves, if desired (in addition to the above mentioned automatic settings)

Click here for Sound