best mod 4 a 400ex
#11
i dont want to blow the engine in a few year or months with all that stuff im just talking about jetting pipes air box mods the easy stuff nothin like taring the moter apart and doing some tricked out stuff like what your talking about
#12
if i were you i would stick with TRINITY RACING , make all your performance parts match.and later you might want to do more to it but right now get a pipe,jet kit,rev box,alluminium airbox,prodesign pro flow k&n air filter kit. thats close to $1000 pipe 1st if money is low.
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