Help!!!...best pipe for a 400ex
#1
i just bought a hmf is it a good pipe or is a big gun or an e-series better or maybe an fmf and will jets and an air filter make a differencewith a pipe!!!!!!!!!!![img]i/expressions/face-icon-small-confused.gif[/img]
#6
#7
outta the 3 of them white bros e-series is the better 1 it provides hp gains throughout the whole powerbrand and revs out pretty good and it better it u re jet and get a air fliter ur 400 will run at peak proformence 400exs for life!


