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  1. Kawasaki KFX450/KFX400
    Hi, I've had a 2008 kfx 450r for a few years now and I've never modified it in any way. Bought it new. I want to ramp up the hp and I've read that I should tackle the 'big 3' first: Intake, Programmer, and Exhaust. I'm a newb when it comes to this, so I'm looking for something as...
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