hey im not new but i havent been on the site in months.........i got an 06 kfx400 the other day and im a bit dissapointed in the power as far as tourque....so im gonna invest in a pipe,jets, and and airfilter to fix that but i dont know any good websites to find what i need.........any help? ohh and does any one know anything bout the dually pipes for the kfx...r they alot better?? thant