my buddy has a fmf power bomb header with a factory 4.1, sounds great and alot more snap to it with exhaust system for sure
2009 yamaha yfz 450r se
K&N filter (box lid off)
yoshimura rs-2 full system (stainless)
renthal sprockets- 15t, 36t
dura blue 1.5" front wheel spacers
itp holeshot gncc's (21/20)
Itp wheel nuts
RSI 3" bar riser
motion pro +2" throttle cable
russel 14" front brake line, adapters
pro armour revolution nerfs
2007 yamaha banshee
fmf sst+powercore 2
fmf boost bottle
k&n filter+box lid
itp holeshot mxr6,mxr4
itp c-series (stainless)
pro taper se bars
dyno jet carb kit stage 2, 280's
vforce 3 reeds
renthal sprockets-16t,41t
dura blue 1.5" front wheel spacers
dg alloy series nerf bars