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Thread: Hmf header

  1. #1
    Join Date
    Mar 2006
    Location
    Washington, Pennsylvania
    Posts
    145

    Hmf header

    Does anybody know where i can get a hmf header at, or is a powerbomb header a better choice. I've heard the powerbomb really helps, and does it gets louder, what is the sound difference.
    Ethan Ostapowicz

    -2002 Trx400Ex-
    edelbrock carb, 450r shocks, razr II, hmf slip-on, Uni filter, fly handlebars, AC racing front bumper and nerfs, msr clutch perch.

    1997 Mustang Gt (my baby)
    Full Borla exhaust, K@N air intake

  2. #2
    Join Date
    Jun 2006
    Location
    Arkansas
    Posts
    135
    If you already have a slip-on, I would reccomend the powerbomb header. If Im not mistaken, you have to send the slip-on back and have it modified to fit the HMF head-pipe. If you insist on a matching system you might consider selling the slip-on and buying a complete HMF system.
    01" 400EX
    87mm Weisco 11:1 piston(416)
    Sparks racing X2 "drop in" cam
    Full race P&P, Kibble White SS valves,
    GT Thunder HD head studs (installed by C&D racing)
    HD valve springs and 3 angle valve job (all thanks to C&D racing)
    HMF full system
    UNI air filter
    otherwise stock except for an aluminum airbox and air scoops and ITP wheels.

  3. #3
    Join Date
    Mar 2006
    Location
    Washington, Pennsylvania
    Posts
    145
    So the powerbomb is a good choice.
    Ethan Ostapowicz

    -2002 Trx400Ex-
    edelbrock carb, 450r shocks, razr II, hmf slip-on, Uni filter, fly handlebars, AC racing front bumper and nerfs, msr clutch perch.

    1997 Mustang Gt (my baby)
    Full Borla exhaust, K@N air intake

  4. #4
    Join Date
    Nov 2006
    Location
    South Western PA.
    Posts
    2,653
    yea you have to send the slip on back because the header is to wide for the slip on,

    the powerbomb is a good lowend pipe,
    it sounds real deep but it says it makes you bike a little less loud, but not much only like 10% i think
    Country Boy Can Survive

    -97 F150-

    400EX frame up build in the future.

  5. #5
    Join Date
    Feb 2007
    Location
    Terre Haute, In.
    Posts
    159
    not to steal anyones thread... but which would be a better combo, the hmf full or the hmf slip on with the powerbomb???


    sorry to intrude on your thread.
    07' 400ex black Full Curtis Sparks X6-Blingstar Nerfs-Uni Filter/w EHS Racing Lid-Tag Bumper-Jetted

    00' TTR 90 blue-Stock

    03' 400ex White/Laker Custom-Full Yoshi-Renthal Bars-K&N Filter/w EHS Racing Lid-DG Bumper/ Nerfs-Razr 2's all around-Jetted

    more to come...

  6. #6
    Join Date
    Apr 2006
    Location
    brunswick, OH
    Posts
    298
    Originally posted by gilliam2364
    not to steal anyones thread... but which would be a better combo, the hmf full or the hmf slip on with the powerbomb???


    sorry to intrude on your thread.
    I'm with ya iwould like to know.
    So the powerbomb will fit HMF slip on exhaust, but a HMF header will ned to go back to HMF to get fitted correct?

    Anyone know which is better FMF or HMF header. If none ill go with the FMF for convience.

  7. #7
    Join Date
    May 2005
    Location
    Stillwater, Ok
    Posts
    23
    Originally posted by ebo 4356
    So the powerbomb is a good choice.
    Not if you use an after market oil tank. Nothing from FMF will work with anything but stock oil tank.

    If you have an after market oil tank, go with either Sparks or LRD.
    Quadtrax

  8. #8
    Join Date
    Jun 2006
    Location
    Arkansas
    Posts
    135
    Ive got an HMF full system and I love mine but I have a pretty good buttload of engine mods to go with it too.
    01" 400EX
    87mm Weisco 11:1 piston(416)
    Sparks racing X2 "drop in" cam
    Full race P&P, Kibble White SS valves,
    GT Thunder HD head studs (installed by C&D racing)
    HD valve springs and 3 angle valve job (all thanks to C&D racing)
    HMF full system
    UNI air filter
    otherwise stock except for an aluminum airbox and air scoops and ITP wheels.

  9. #9
    Join Date
    May 2006
    Location
    belton mi$$ouri
    Posts
    3,320
    ive heard the powerbomb is great. thats wut im savin up for.
    2002 440ex
    PEP•Wiseco•Duncan•AC•Dunlop

    '98 ford f150 4x4

  10. #10
    Join Date
    Mar 2006
    Location
    Washington, Pennsylvania
    Posts
    145
    So the powerbomb header will fit on the slip-on right, and since i have a stock oil tank it'll have enough clearance in front of the oil tank. Thanks for the help!
    Ethan Ostapowicz

    -2002 Trx400Ex-
    edelbrock carb, 450r shocks, razr II, hmf slip-on, Uni filter, fly handlebars, AC racing front bumper and nerfs, msr clutch perch.

    1997 Mustang Gt (my baby)
    Full Borla exhaust, K@N air intake

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