VT#: 35-0906
Boyesen bolt on upgrade that will eliminate sluggish throttle response for Mikuni HSR 48 with 2" adapter. Acceleration gains from idle to wide-open throttle and compliments popular air filter system upgrades. Dyno tests show up to 4 horsepower and 5 ft-lbs of torque gained. There is no rejetting or remapping needed.
Custom HSR-48