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Thread: 01 400ex Dual Exaust?

  1. #1
    Join Date
    Mar 2010
    Location
    Greenbush, Maine
    Posts
    40

    Question 01 400ex Dual Exaust?

    I want to make a dual Exaust For my 2001 400EX. Does anyone have a How To for my project? thanks

  2. #2
    Join Date
    Sep 2008
    Location
    ma - south shore
    Posts
    559
    search pipeless416 i think. he did duals on his
    06 300ex
    powermad guards
    full skidplates
    fmf powercore
    fmf jet kit
    maier race plastics
    motorsports front bumper
    ae filter
    14 tooth front
    400ex a arms and shocks

    07 400ex
    powermad guards
    um racing nerfs
    dg bumper

  3. #3
    Join Date
    Mar 2010
    Location
    Armagh, PA
    Posts
    1,366
    well u could make the ones by urself like pipeless did with his hmf's
    or check out the lte duals (looney tuned exhaust)
    http://www.onlineatvparts.com/Mercha...Category_Code=
    This link shows the exhaust I counldnt find it on the LTE website but this has everything u need and it runs juz over 700$
    U could make duals urself tho and it would b way cheaper just more work
    2002 426ex
    white bros. r4 pipe, k&n filter w/outerwares and No lid, wiseco 11:1 426 , kibble white valves, stage 2 cam , 450r carb , +3 timing key , Lonestar +1 1/4 chromed swingarm, g-force +4 axle, Houser silcast +2 ST arms, 450r shocks with works zps triple rate springs , Hiper tech 3 beadlocks (with orange rings soon to be black), maier silver racecut plastic with a QT CF hood
    (work in progress)(NOW PARTING OUT)

    03 CRF450r
    (totaled and parting out)
    Now the new toy
    84 Chevy shortbed K10
    7in lift (4 suspension and 3 body)
    35in tires
    350 4spd
    (another work in progress)

  4. #4
    Join Date
    Mar 2010
    Location
    Greenbush, Maine
    Posts
    40
    Im a great fabricator and a welder so i planned on makin duals myself. I watched Pipeless's video on Youtube.com and say that he used a head pipe off a YFZ but didnt know what year... and If I figure out a cheap and easy yet good looking way to make them, im gonna offer to make dual for anyone for a cheap price or trads for 400EX parts.. I also fabed a bracket so my rear sub frame can now take any grab bar off a Yamaha because I had a sweet wide grab bar off a 1997 Warrior.
    Attached Images Attached Images

  5. #5
    Join Date
    Mar 2010
    Location
    Greenbush, Maine
    Posts
    40
    another question.... i checked out the site where the stainless duals are and they say you have to jet the carb and relocate the battery... where would you put the battery and what would i use for jets? I plan on swaping my carb with a 450r carb anyways... would that solve the jet proublem? and do I really need the stainless air box?

  6. #6
    Join Date
    Mar 2010
    Location
    Armagh, PA
    Posts
    1,366
    The stainless airbox would give u a place to relocate the battery thats why its in the kit
    The aluminum airbox i have is from UM racing (got it for 20$ off a friend)
    Its ok i like it because it gives it a cleaner look without the battery outside the box
    Im not sure about the head pipes or jets in a 450r carb cause idk what your other mods r
    2002 426ex
    white bros. r4 pipe, k&n filter w/outerwares and No lid, wiseco 11:1 426 , kibble white valves, stage 2 cam , 450r carb , +3 timing key , Lonestar +1 1/4 chromed swingarm, g-force +4 axle, Houser silcast +2 ST arms, 450r shocks with works zps triple rate springs , Hiper tech 3 beadlocks (with orange rings soon to be black), maier silver racecut plastic with a QT CF hood
    (work in progress)(NOW PARTING OUT)

    03 CRF450r
    (totaled and parting out)
    Now the new toy
    84 Chevy shortbed K10
    7in lift (4 suspension and 3 body)
    35in tires
    350 4spd
    (another work in progress)

  7. #7
    Join Date
    Mar 2010
    Location
    Greenbush, Maine
    Posts
    40
    i think the engine might be 10 over but thats prob about it. i havent had the wheeler for long to find out
    2001 400EX
    AC Wide Grab Bar
    DG Front Bumper
    DG Nurfs
    White Brothers R4 Exaust
    K&N Air Filter
    Pro Taper Bars
    Pro Taper Handguards
    Kenda Bear Claw 22x12-9 Rear Tires
    Custom wide foot pegs and kick-up
    Mostly Stock For Now

  8. #8
    Join Date
    Mar 2010
    Location
    Armagh, PA
    Posts
    1,366
    well im still not real sure, jetting and jetting right is more or less a trial and error thing and it doesn't hurt to have extra jets
    2002 426ex
    white bros. r4 pipe, k&n filter w/outerwares and No lid, wiseco 11:1 426 , kibble white valves, stage 2 cam , 450r carb , +3 timing key , Lonestar +1 1/4 chromed swingarm, g-force +4 axle, Houser silcast +2 ST arms, 450r shocks with works zps triple rate springs , Hiper tech 3 beadlocks (with orange rings soon to be black), maier silver racecut plastic with a QT CF hood
    (work in progress)(NOW PARTING OUT)

    03 CRF450r
    (totaled and parting out)
    Now the new toy
    84 Chevy shortbed K10
    7in lift (4 suspension and 3 body)
    35in tires
    350 4spd
    (another work in progress)

  9. #9
    Join Date
    Mar 2010
    Location
    Greenbush, Maine
    Posts
    40
    right... ill just buy some jets for the 450r and 400ex carbs... thanks for the info
    2001 400EX
    AC Wide Grab Bar
    DG Front Bumper
    DG Nurfs
    White Brothers R4 Exaust
    K&N Air Filter
    Pro Taper Bars
    Pro Taper Handguards
    Kenda Bear Claw 22x12-9 Rear Tires
    Custom wide foot pegs and kick-up
    Mostly Stock For Now

  10. #10
    Join Date
    Mar 2010
    Location
    Armagh, PA
    Posts
    1,366
    no prob man im always up to helping a fellow honda rider

    RIDE RED
    2002 426ex
    white bros. r4 pipe, k&n filter w/outerwares and No lid, wiseco 11:1 426 , kibble white valves, stage 2 cam , 450r carb , +3 timing key , Lonestar +1 1/4 chromed swingarm, g-force +4 axle, Houser silcast +2 ST arms, 450r shocks with works zps triple rate springs , Hiper tech 3 beadlocks (with orange rings soon to be black), maier silver racecut plastic with a QT CF hood
    (work in progress)(NOW PARTING OUT)

    03 CRF450r
    (totaled and parting out)
    Now the new toy
    84 Chevy shortbed K10
    7in lift (4 suspension and 3 body)
    35in tires
    350 4spd
    (another work in progress)

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