Better Performance?

Is it worth it to put a FMF HI Flo Header, FMF Powercore 4, and a K&N air filter on my 2000 Yamha WR 400F? Will I have to change my jetting?

your bike is already too fast. don't do it, it is way too dangerous.

Hey Marcus where you been!? What you wantin to drag now then......!?!? LOL

My neighbor on his Honda Recon! LOL

Mentalist!

Why is my bike already too fast?

its just that if you put a 5 mph brain on a 100 mph bike its too fast!!! :cry:

sounds good marcus. You should put the needle on the top clip, lower the float level by about 5mm and get the smallest MJ you can find :cry:

P.S. This advise is stricktly for Marcus!!!!!!!! :cry:

Ha Ha That's funny right there. I don't care who you are. GIT-R-DONE! THAT'S RIGHT! :cry:

its just that if you put a 5 mph brain on a 100 mph bike its too fast!!! :cry:

How do you know how smart I am? You don't even know me? He He :cry:

Dont have to

REALLY! :cry:

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