Shorter header = more rpms
worth putting it on then considering altering the header length i dont know much about m1 engines
but ive been with puch's 1 inch of header alters the rpms by 300-500rpm at the top end
Shorter header = more rpms
worth putting it on then considering altering the header length i dont know much about m1 engines
but ive been with puch's 1 inch of header alters the rpms by 300-500rpm at the top end
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