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Jets
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Posted by: b_watts3

If i have an hmf slip on, but end up gettin the header, will the jet have to change or will it affect anything?

Posted by: stc416rider

you will need to change the jetting . it is letting more air through

Posted by: b_watts3

do u kno what size i would need? with a hmf slip on, and a fmf powerbomb header

Posted by: stc416rider

what are you running now???

Posted by: b_watts3

152 main jet, no pilot....also i have hig compression piston, its bored to 416 and have k&n airfilter

Posted by: stc416rider

not sue every bike is different jus buy like 5 jets and test them out