MOOSE RACING Inner Tube - Standard - 14" - TR-4 - Center Metal Valve M20018 Replacement Spacers The exhaust valve race uses

The exhaust valve race uses the factory exup hardware alongside the Graves EVR valve and custom mapping to improve low to mid-range rpm and small throttle opening torque and drivability to create and better powerband and ride

Made of 6061 T-6 aluminum

You can purchase the cat back exhaust separately at any time to complete your LINK ™ performance package

2-sided 3/16" grade 50 steel wear bar

MOOSE RACING Inner Tube - Standard - 14" - TR-4 - Center Metal Valve M20018 Replacement Spacers The exhaust valve race uses"Real butyl tubes" made from 100% butyl polymer, unlike other "butyl" tubes, which are blended butyl polymer and natural rubber Each tube is individually boxed with a full range of sizes and valve stem types clearly marked on each box end 100% butyl tubes minimize natural air leakage and maintains air pressure for longer period of time All stems are TR 4 type for valve stem