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Thread: 2014 YFZ450R FMF Exhaust

  1. #1
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,769

    2014 YFZ450R FMF Exhaust

    Just picked up a new FMF 4.1 Factory and a Mega Bomb Titanium Header! Also Removed the Air Induction System and K&N Filter.

    Sounds Amazing for a 4stroke.......







    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


  2. #2
    Join Date
    Aug 2008
    Location
    devore,ca
    --
    1,015
    Does it still glow? How about the heat on the leg?.
    YAMAHA 450 HYBRID
    85 350X- RED
    85 350x -BLACK
    86 350x-WHITE (with Goki)
    85 250r
    83 atc 70
    84 atc 70
    84 atc 110
    09 yfz 450
    2006 Arctic Cat Prowler
    RZR XP 900

  3. #3
    Join Date
    Jun 2004
    Location
    Oregon
    --
    1,769
    Quote Originally Posted by BOB MARLIN View Post
    Does it still glow? How about the heat on the leg?.
    Not as bad no but I still have the bog! Im getting rid of the PC5 and buying a Vortex! Suppose to fix the prob 100%
    1986 ATC 250R
    Ported w/ Cool head
    LED pipe and silencer.
    Boyesen Rad Valve
    Keihin PWK 38mm
    Works Ultra Cross Shock
    LSR +2 Axle
    American Star Racing +4 Swinger
    LED Intake
    Hi-Flite desert seat
    OEM clutch 89 upgrade
    2021 YFZ450Rse Rossier R5 Titanium Header AIS Delete FCI Vortex ECU


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