ive said it before and will say it again and will continue to say it, all the bashing on k&n is crap ! ive run them in all my vehicles ive modified. 5 years in my gmc pk up 114000 miles traded on new yukon yukon had knfpk traded in on wifes rubicon. my 04 4runner63000 mls had it since day one. my 07 kawasaki brute force first mod to it k&n filter, my john deere garden tractor k&n filtermy wifes old jeep cherokee 144000 miles traded on my gmc so every vehicle i own first mod to them is eigther a k&n replacement filter or some have got the fpk. o yea my sons 3 different 4 wheelers (kids grow up)all ran k&n filters and never a motor failure. he raced hairscrambles! i dont work for them or anyone affiliated with them i just believe in their product !!