2 inches Motorcycle Exhaust Control Boost Vacuum Activated Exhaust Cutout/Dump Stainless Steel Features: OOTDTY Full control over Exhaust Control at the touch- of a steering wheel button. Open/Close Exhaust at any times and instantly. Even on cold starting, flaps can be opened (not possible with OEM / M-Menu). Easy 30-minute installation process with no wire cutting. Completely removable at any times. Specifications: Material:Metal Type:,Pull Cable (optional) Pull Cable Length:Approx.150cm/59.06',180cm/70.87' (optional) Diameter:51mm/2' Package Includes: 1x Electric Exhaust Control or 1x Pull Cable Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.