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shock400ex32
10-26-2001, 07:09 PM
I want to get about 30-32 hp out of my 400 and I was wonderin if a Big Gun Complete Ehaust, K&N Power Kit and White Bros Rev limiter.

I would like to get this hp rating without going into the motor actually so and suggestions will be helpful. I have about 600-100 dollars to spend but would like to spend around 600-800.

Thanks for all of your help.

400exRacerX
10-26-2001, 07:23 PM
You'll get some nice gains from the pipe,filter,and rev limiter but no were near 30-32 horse.

10-26-2001, 07:47 PM
Get a sparks racing pipe, k&n filter, je pistion, and a cam and you will aleast have that. Most likely more.

WB400ex
10-26-2001, 08:11 PM
stock is about 25-28 HP. with the complete pipe and k&n power kit(filter, jet kit, pre charger, cleaner) with no lid on airbox and the rev limiter i know you will have 30-32 HP but i know for sure not more than 32 HP. most likely you will have around 29-31 HP. hope this helped. if you got questions let me know.

wheeltrax
10-27-2001, 12:17 AM
I read in ATV sport, that Most of the silencers put out around 26 HP. With the added pipes, K&N/Jetting, WB rev limiter, it should give you around 30 HP.