11 - Present GSX-R600/750
HI GUY,\S,
IM BUYING A GSXR600 2021, RACE BIKE ONLY,
AND I WANT TO KNOW ( WITH A POWER COMMANDER AND TUNING )
WHICH WOULD BE THE BEST EXHAUST FOR PERFORMANCE?
CURRENTLY AM ONLY AFTER A SLIP ON, BUT ANY ADVICE IS APPRECIATED
CHEERS