Obviously a slip on dosent make as much of a diffrence as a full system, but how much does a slip on affect performance on a z400?

 

even with a slip on you need to check your jetting. you might gain 1-2 hp
depending on how its jetted

 

ok so with that in mind i was thinking of getting the white bros e series, What do u guys think is best exhaust syetem?

 

I have a White Brothers E-series slip-on pipe and I like it. It has a nice sound to it and it doesn't get you into trouble. I don't really know the power form it because I havn't got it jetted yet. Waiting for someone to install it. My dad doesn't want me to put it in myself because he says I'll screw it up. But the guy who is sopose to fix it is really really slow so i think I might do it while my dad is gone. Can anybody give me a quick rundown on what to uninstall to get to the carb? And what to do exactly when I get to the carb? Sorry if there is tons of forums about this.