[chad99gt]

I just ordered an hmf full sport exhaust system, k/n pro-flow, pc III and a 15t sprocket, should be hear in a few days.. Can anyone give me a good map to run on this, and what should I expect?

 

[VelociRaptor]

What you should expect......smile from ear to ear and white knuckles :thumbsup:

 

[chad99gt]

I just want to be able to beat my brothers full exhaust/intake yfz 450.. i used to spank him and once he did the mods he started to pull slightly in the midrange, and even out up top with him out a bike or two

 

[Teraflx]

I just want to be able to beat my brothers full exhaust/intake yfz 450.. i used to spank him and once he did the mods he started to pull slightly in the midrange, and even out up top with him out a bike or two

I have 3 mods like you with a 15t and I pull my buddies yfz450 (exhust,intake and jetted) by about 1-2 lenghts everytime so you should see a nice improvment once you install your big 3.