KTM EXCF250 EXCF450 2017-23 EXCF350 Twinair Iboost throttle body power flow kit
EXCF250 2017-202 0. EXCF350 2017-202 2. EXCF450 2017-202 3. NEW TWINAIR IBOOST POWER FLOW THROTTLE BODY INSERT. For better top-end throttle response (90-100% open throttle position), use the kit’s larger butterfly valve without the sleeve.