300ex jetting

[IRISH-RACER-14]

what jet to use with the following

hmf end pipe with dg header pipe and k&n air filter

[stuntin andy]

you cant tell for sure because of elevation and all that its pretty much a guessing game

[Tommy Warren]

we need your elevation....but try a 128 with 40 pilots and let us know whats happening to your plug.....go to jetsrus.com and learn how to properly "chop" a plug.