Hurricane Exhaust Cutout Valve 3" (76mm) Hurricane stainless exhaust cut out / exhaust damper provides more engine power and engine noise through reduced exhaust back pressure. Hurricane exhaust valve provides more horsepower and sound without changing the entire exhaust system! Double sealing system in closed position Strong construction that can handle motorsport Upgraded axle and bearing Waterproof motor and connector Reliable ON/OFF function Stainless material You get more engine power by mounting the exhaust valve on a branch pipe that leads exhaust gases away from silencers / sharp bends and other things that create back pressure. In this way, back pressure in the exhaust system is reduced and enables more engine power. You get more engine noise by disconnecting the silencers and routing the exhaust gas flow past them. Control the exhaust damper using the supplied on or off switch. You can also connect a remote relay to control the exhaust valve with a remote control. Connect to