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View Full Version : HMF FULL VS. HMF/Powerbomb


400EX QUADER
03-29-2005, 10:09 PM
What would give me the most power,HMF FULL or HMF/Powerbomb header? I have a slip-on and I was wondering if I should send mine back to hmf to convert it to a full or to buy a powerbomb header.
400EX QUADER
03-29-2005, 11:24 PM
bump
Rico
03-30-2005, 08:29 AM
I say go with the powerbong
400EX QUADER
03-30-2005, 08:42 AM
That's what I was thinkin and I was hoping that you would post.:D
cals400ex
03-30-2005, 01:52 PM
i guess it depends on your riding style. if it was me, i would be getting the larger HMF headpipe, but i like a high revving motor for my style of riding.
400EX QUADER
03-30-2005, 10:24 PM
If I add the bong, how many jet sizes should I go up?
cals400ex
03-31-2005, 12:26 AM
i honestly don't think the headers make that much of a difference on jetting. you would go up 1 at most i would guess.
Rico
03-31-2005, 08:41 AM
I had to raise my pilot jet with the header. Main seemed OK