This exhaust is specially designed for kart courses of less than 1,000m in length. It is a volume conforming silencer at about 98db. The power band is from 9000 to 11500 rpm with stock camshaft, and from 9500 to 12000 rpm with high camshaft, and you can run with wide torque band. Bands, brackets and bolts required for installation are included. The stock carburetor setting is needle A or C and main jet 105. The flywheel should be light, between 50 and 100 grams, for better connection and acceleration when upshifting.
Caution
*There may be changes in product specifications due to the manufacturer's reasons.
