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Thread: loud pipe?

  1. #1
    Join Date
    Feb 2006
    Location
    MI
    Posts
    61

    loud pipe?

    ok i have the fmf powercore 4 for my 300ex and i might be riding on MI state trails i think the db for MI is 96 not sure though,is my pipe going to be louder then that if so how much power would i loose by putting a quit core in it , or would a smaller end cap work better. thanx any info will be a help
    2004 300ex (yellow)
    k@n air filter
    outerwear cover for k&n
    ac bumber
    holeshots xc
    fmf power core 4
    MSO nerf bars
    Underglow(Led lights)

  2. #2
    Join Date
    Jun 2005
    Location
    Illinois
    Posts
    4,104
    my cousin has one on his predator and its over 96 db's. He got stopped once on the wisconsin trails and wasnt legal. He doesnt have to quiet core either. I think the predator is louder than the 300ex though to start off with.
    406ex - January '13 QOTM

  3. #3
    Join Date
    Nov 2002
    Location
    Monticello, NY
    Posts
    2,007
    It's better to be safe than sorry up there. I'd loose a pony or two and be able to ride rather than be caught and end up being the camera man all day.
    04' YFZ 450
    06' LTR 450
    03' Z400
    01' 406EX- R.I.P
    97' MXZ 583
    02' mxzx 600
    District 34, #450
    Aim: Hippiekicker 250

  4. #4
    Guest
    DNR usualy just give a woarning. i go past dnr on the side of the trails and im running 120+dbs and no spark arrestor. dnr never stop me.

  5. #5
    Join Date
    Nov 2004
    Location
    safford az
    Posts
    569
    what exhaust is over 120dbs
    "It take 2 bike riders to equal 1 quad rider"





    dyno jet kit
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    k&n air filter
    k&n power lid

    hmf polished slip on
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  6. #6
    Join Date
    Feb 2006
    Location
    klamath falls oregon
    Posts
    57
    I think the tc racing exhaust is over 120 db

  7. #7
    Guest
    Originally posted by 6858-400ex
    what exhaust is over 120dbs
    a 8 inch pipe coming off the header... very loud..

    if any of you people tried running know muffler and heard how loud it is well mines about 1 0r 2 dbs less than that. and the thing about it is it some how still has good bottom end

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