Exhaust Valves Rave Style / Arctic Cat Category_Default Category/MERCH or give any of these

or give any of these engines/equipment to someone else

Superior Durability: Crafted from premium multi-layer reinforced silicone that will not crack

This stage 2 comes with our primary spring and secondary spring which helps hold side tension on the belt for less slip

7 lbs lighter than stock

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Exhaust Valves Rave Style / Arctic Cat Category_Default Category/MERCH or give any of theseWe 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