How much extra horse power will i get if i added an hmf pipe,dyno jet kit,K&N air filter?
G Guest · Discussion Starter · #1 · May 16, 2007 How much extra horse power will i get if i added an hmf pipe,dyno jet kit,K&N air filter?
G Guest · Discussion Starter · #2 · May 16, 2007 O I have an '06 foreman es O I have an '06 foreman es
M marcust · Registered Joined Jan 3, 2007 · 273 Posts #3 · May 16, 2007 Only show this user I have heard 5 before but not sure how true it is but it is definetly a big change.