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- (temp sold out) FMF Power Core 4 XR/CRF50
(temp sold out) FMF Power Core 4 XR/CRF50
Sold out.
Description:
FMF developed the PC4 to increase horsepower and torque throughout the entire power curve to give you a noticeable power increase that is very usable - no matter what your riding style or ability is.
Stainless Steel header and aluminum can.
Designed to be used on the 88cc big bore kits and up.
CRF big bore
FMF part # 41071
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