Pay in 4 interest-free payments of $84.12. Learn more
Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Layered blues for a quiet Nordic mood—built for long scrolls and clear product focus beside the sticky cabin window.
Wood-toned frames and chip trails keep the buy box grounded—harbor calm meeting cabin warmth without clutter.
71 Big Mo BMP X3 L2 91 175
300 chp with ECU tune
our dual-chamber "Double Barrel" design allows you to thread adjusting screws into independent ports
It also includes a base gasket and head gasket
Structurally integrated into the cover
Exhaust Valves Rave Style / Arctic Cat Select Model:F/M/X-Fire 800 71 Big Mo BMP X3We 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