SKU: 59150642016
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
our dual-chamber "Double Barrel" design allows you to thread adjusting screws into independent ports
71 Big Mo BMP X3 L2 91 175
300 chp with ECU tune
Performance Features:
by eliminating back-pressure
Exhaust Valves Rave Style / Arctic Cat Select Model:F/M/X-Fire 800 our dual-chamber "Double Barrel" designWe have upgraded our exhaust valve technology from a membrane bellow style actuator to a piston style actuator. A much simpler design that uses less components and eliminates bellow failure in big bore and turbocharged applications. Our piston mechanism stays lubricated by the engine's 2 stroke oil system and is actuated by the exhaust pressure from the cylinder. Same design works well with naturally aspirated engines as well. We developed this valve