Description
THIS ITEM IS FOR CLOSED COURSE COMPETITION ONLY - USE ON PUBLIC LANDS MAY BE ILLEGAL
CRF's Only Brings you another way to save on your performance needs! Its time to shed the weight of that 15 pound exhaust system and switch to the 8 pound FMF powercore 4! To compliment the exhaust, the JD Jetting Powersurge Fuel Tuner will allow correction for humidity, temperature, air pressure, along with race fuels and any motor modifications.
