If you change the intake and add pciii you should go with a full exhaust...that'll give a significant increase in hp...probably run in the $1k range but well worth every penny, check out FuelAtv...Hello,
Whats the best Mods to start with for the 450? I want to keep the cost down at first,but want to able to
upgrade. I see alot of people are starting with a slip on,air box mod and a pc upgrade?