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View Full Version : guys out there with the hmf and powerbomb header



oleboy87
11-24-2007, 05:27 PM
for you guys out there that is running the hmf with the powerbomb what kind of jetting are you running? down to the specifics i want to run the airbox lid and everything that i see is without the lid...

Hondamaster5505
11-24-2007, 06:41 PM
hey dude, i did have my eyes peeled this whole time, and couldn't find that header for a good deal yet.

Did you finally find one??

oleboy87
11-24-2007, 07:21 PM
yep i sure did... 125 dollars... but i need to know where to start with the jetting cause i know mine is off right now with jsut the slip on...

Hondamaster5505
11-24-2007, 08:01 PM
wow, thats a pretty good price, sorry i cant help ya w/ the jetting, good luck wit the pipe. Shoulb be a decent gain wit dat header

oleboy87
11-24-2007, 10:39 PM
i hope soo if i could just find the jetting specs on it... like all the neddle settings and air mixtures and stuff... ANYONE OUT THERE PLEASE HELP

11-24-2007, 10:41 PM
i dont think you need to rejet with the powerbomb header because is the same size as stock. correct me if i'm wrong.

oleboy87
11-24-2007, 10:47 PM
idk i think you would need to because you are getting more exhaust out faster if someone out there that has one would chime in on this.....

11-24-2007, 10:59 PM
i would love to see a dyno with the HMF slip on & stock pipe vs. HMF slip on and powerbomb headers. They already have the HMF slip on dyno but i would like to see them on the same graph. someone talk to mobile dyno or something

oleboy87
11-24-2007, 11:03 PM
yea i would love to see on too...

Hondamaster5505
11-25-2007, 06:25 AM
ill try to help, whats your jetting specs now??

MO-EX-RIDER
11-25-2007, 06:46 AM
i had mine like this....
main=165 keihein
pilot=40
a/f screw 2 1/4 turns out
and needle in stock location

in missouri i was near perfect, but i cut a 2"x2" square in my lid for more air flow


maybe stay with a 38 pilot and 160 with your lid un touched?

oleboy87
11-25-2007, 08:19 AM
i tryed looking on the fmf website but they dont tell you nothing on there..


moexrider- were you at sea level?