View Full Version : how to get more horse
07"400ex
09-26-2006, 05:44 PM
I just bought a 07 400ex and i am looking for more horsepower and dont know what kind of fullsystem i should get
bubba's400ex
09-26-2006, 06:15 PM
sparks or HMF.
Honda4lyphe
09-26-2006, 06:47 PM
id get yoshimura or hmf or sparks, and 07 nice tell us how it does for you, i like the colors of it and the 450r :D
krt400ex
09-28-2006, 10:42 AM
yosh
underpowered
09-28-2006, 01:23 PM
HMF is my preference, but Sparks, Yosh, duncan, are all good systems.
Eviltanker
09-28-2006, 04:08 PM
There are a few good systems out there. It all comes down to what you want to do. If you are not going to work the motor up alot then a slip on will be fine but, if you are going to do alot then buy a full. Like it was aleady said let us know how it turns out.
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