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EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES (FMF)

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EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES
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Factory 4.1™ Slip-On Muffler
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This product is part of
Parts Unlimited Offroad 2010

Starting at $179.95
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Factory 4.1™ Slip-On Muffler
  • Made from premium quality American TIMETAL® materials
  • Factory forward engineering centralizes mass, improves handling
  • Meets AMA sound requirements of 94dB with optional insert
  • Customize performance and sound output with optional inserts including U.S.F.S. approved spark arrestors
  • The lightest mufflers available
  • Factory 4.1 muffler available in natural or blue anodized titanium with titanium end caps
  • Features exclusive proprietary Chamber Core
  • Superior power and performance – horsepower improved throughout the rpm range
Titanium Powercore
  • Utilizes advanced multistage packing material and a Hi-Flo stainless steel formed front end cap and mid-pipe
  • Removable spark arrestor included and optional 94 dB insert available separately
  • Natural or blue anodized muffler body
  • Incredible horsepower gains with 99 dB sound level or less
  • Titanium construction with American TIMETAL® canister and rear end cap
  • Designed with FMF’s exclusive Factory Forward Engineering – lowering the center of gravity and centralizing mass
The Q Series Mufflers - Q4
  • Developed over years of championship off-road racing
  • Twin-stage core design for lower sound output and extended life of packing material
  • Comes standard with spark arrestor
  • The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
  • Less mass to enhance power-to-weight ratio
  • Quiet power with minimal sacrifice for performance
The Q Series Mufflers - Q4 TI
  • Max sound output 96 dB; most models below 94 dB
  • American TIMETAL® canister and end caps
  • Comes standard with spark arrestor
  • Developed over years of championship off-road racing
  • The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
  • Less mass to enhance power-to-weight ratio
  • Quiet power with minimal sacrifice for performance
PowerCore 4 SA
  • Elliptical aluminum can offers strategic sizing for superior performance
  • FMF’s exclusive cross-weave internal packing provides longevity and maximum sound dispersion
  • Features a screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow or performance
  • Optional Quiet Core insert will provide a decrease in sound level if desired
  • Round perforated steel inner cores make for optimum flow, using hi-flo technology
  • Computer designed and dyno tested for every 4-stroke application
  • Hi-Flo end cap boosts all-around performance
  • A stainless steel mid-pipe mates to the computerdesigned rear can for lightweight durability
  • Enhanced sonic evacuation delivers a higher flow of exhaust gases which increases power
Factory 4™ Mufflers
  • Made from military grade titanium that is light and durable – in most cases the Ti 4 is 50% lighter than stock
  • Thousands of hours of both track and dyno time have resulted in power gains averaging just under 20%
  • Combines the huge weight savings of titanium with the performance traits gleaned from FMF’s association with factory motocross teams
Factory 4.1C Systems and Slip-On Mufflers
  • Customize with performance tuning inserts and spark arrestor module
  • Made from premium quality American materials
  • Ti or carbon muffler with titanium endcaps, midpipe and PowerBomb header
  • Internal ducts in the chambers of the RCT system increase volume for improved exhaust flow, resulting in power gains throughout the entire range of power
  • RCT stands for Resonance Chamber Technology; creates an effect that lowers decibels and increases the life of muffler packing
  • Meets AMA sound requirements on most models; inserts available for others
  • Factory Forward Engineering centralizes mass, improves handling
  • Systems feature titanium PowerBomb header and midpipe, except where noted
  • Complete systems and slip-on mufflers
  • Factory 4.1C muffler constructed from carbon fiber with titanium endcaps
  • Features exclusive proprietary Chamber Core and PowerBomb technology
  • Superior power and performance – horsepower improved throughout the rpm range
  • The lightest mufflers and full systems available
PowerCore 4 SA Slip-On Muffler
  • Elliptical aluminum can offers strategic sizing for superior performance
  • FMF’s exclusive cross-weave internal packing provides longevity and maximum sound dispersion
  • Features a screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow or performance
  • Optional Quiet Core insert will provide a decrease in sound level if desired
  • Round perforated steel inner cores make for optimum flow, using hi-flo technology
  • Computer designed and dyno tested for every 4-stroke application
  • Hi-Flo end cap boosts all-around performance
  • A stainless steel mid-pipe mates to the computer-designed rear can for lightweight durability
  • Enhanced sonic evacuation delivers a higher flow of exhaust gases which increases power
Product Information
Name:EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES
Manufacturer:FMF
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Product Information
Name:EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES
Manufacturer:FMF
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PowerCore 4 SA (EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES) [^top]
Qty Description   Our Price (USD)
Part#: 1820-0039
MATERIAL: Steel
DESCRIPTION: PowerCore 4 Big Bore w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF50R, 2004-2008
    • XR50, 2000-2003
$179.95
       
Part#: FMFH415
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF50R, 2004-2008
    • XR50, 2000-2003
$199.95
       
Part#: FMF040072
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF50R, 2004-2008
    • XR50, 2000-2003
$179.95
       
Part#: 1820-0951
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler w/ stainless steel header
FITMENT: View all units this part fits
  • Honda
    • CRF50R, 2004-2008
    • XR50, 2000-2003
$249.95
       
Part#: FMF041017
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF70F, 2004
    • XR70R, 2001-2003
$199.95
       
Part#: FMF041016
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF70F, 2004
    • XR70R, 2001-2003
$179.95
       
Part#: 1820-0252
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF70F, 2005-2010
$179.95
       
Part#: 1820-0253
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF70F, 2005-2010
$199.95
       
Part#: FMF040083
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • XR100R, 1986-2000
    • XR80, 1986-1990
    • XR80, 1993-2000
$179.95
       
Part#: FMF040084
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • XR100R, 1986-2000
    • XR80, 1986-1990
    • XR80, 1993-2000
$199.95
       
Part#: FMF041015
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF100F, 2004-2008
    • CRF80F, 2001-2008
    • XR100R, 2001-2003
    • XR80R, 2001-2008
$199.95
       
Part#: FMF041014
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Honda
    • CRF100F, 2004-2008
    • CRF80F, 2001-2008
    • XR100R, 2001-2003
    • XR80R, 2001-2008
$179.95
       
Part#: FMF041048
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Honda
    • CRF150F, 2003-2008
    • CRF230F, 2003-2008
$299.95
       
Part#: 1821-0540
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF150R, 2007-2008
$299.95
       
Part#: FMF-H406
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Honda
    • XR200R, 1986-2002
$249.95
       
Part#: 1821-0662
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2004-2005
    • CRF250X, 2004-2008
$299.95
       
Part#: 1821-0663
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2006-2009
$299.95
       
Part#: FMF041020
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • XR250R, 1996-2004
$269.95
       
Part#: FMF041021
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • XR400R, 1996-2004
$299.95
       
Part#: FMF041004
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2002
$299.95
       
Part#: FMF041036
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2003
$299.95
       
Part#: 1821-0664
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2004
$299.95
       
Part#: 1821-0665
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2005-2008
$299.95
       
Part#: 1821-0895
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2009-2010
$299.95
       
Part#: 1821-0739
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF450X, 2005-2009
$299.95
       
Part#: FMF041022
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • XR600R, 1985-1987
    • XR600R, 1991-1998
    • XR600R, 2000
$299.95
       
Part#: FMF041023
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Honda
    • XR650R, 2000-2007
$299.95
       
Part#: 1821-0856
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Power Core 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 690 SMC, 2008-2010
    • Enduro, 2008-2010
$299.95
       
Part#: 1821-0690
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with stock header.
DESCRIPTION: Power Core 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 250 SXF, 2009-2010
    • 250 XCF, 2009-2010
    • 250 XCF-W, 2009-2010
    • 450 EXC, 2009-2010
    • 450 EXC-R, 2008
    • 450 SXF, 2007-2010
    • 450 XCRW, 2008
    • 450 XCW, 2009-2010
    • 450XCF, 2008-2009
    • 505 SXF, 2008-2009
    • 505 XCF, 2008-2009
    • 530 EXC-R, 2008
    • 530 XCRW, 2008
$299.95
       
Part#: 1821-0691
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with stock header.
DESCRIPTION: Power Core 4 spark arrestor Ti slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 250 SXF, 2009-2010
    • 250 XCF, 2009-2010
    • 250 XCF-W, 2009-2010
    • 450 EXC, 2009-2010
    • 450 EXC-R, 2008
    • 450 SXF, 2007-2010
    • 450 XCRW, 2008
    • 450 XCW, 2009-2010
    • 450XCF, 2008-2009
    • 505 SXF, 2008-2009
    • 505 XCF, 2008-2009
    • 530 EXC-R, 2008
    • 530 XCRW, 2008
$349.95
       
Part#: 1821-0692
COLOR: Blue
FINISH: Anodized
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with stock header.
DESCRIPTION: Power Core 4 spark arrestor Ti slip-on muffler, anodized
FITMENT: View all units this part fits
  • KTM
    • 250 SXF, 2009-2010
    • 250 XCF, 2009-2010
    • 250 XCF-W, 2009-2010
    • 450 EXC, 2009-2010
    • 450 EXC-R, 2008
    • 450 SXF, 2007-2010
    • 450 XCRW, 2008
    • 450 XCW, 2009-2010
    • 450XCF, 2008-2009
    • 505 SXF, 2008-2009
    • 505 XCF, 2008-2009
    • 530 EXC-R, 2008
    • 530 XCRW, 2008
$349.95
       
Part#: 1821-0809
MATERIAL: Steel
DESCRIPTION: PowerCore 4 Moto muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX140, 2008-2010
$249.95
       
Part#: 1821-1134
MATERIAL: Steel
DESCRIPTION: PowerCore 4 muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX250S, 2006
$299.95
       
Part#: 1821-1135
MATERIAL: Steel
DESCRIPTION: PowerCore 4 muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX250S, 2009-2010
    • KLX250SF, 2009-2010
$299.95
       
Part#: 1820-0729
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 muffler w/ header
FITMENT: View all units this part fits
  • Suzuki
    • DRZ70, 2008
$179.95
       
Part#: 1820-0739
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TTR110, 2008-2010
$179.95
       
Part#: 1820-0740
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TTR110, 2008-2010
$199.95
       
Part#: 1820-0248
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R125, 2000-2007
$179.95
       
Part#: 1821-1018
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2010
$299.95
       
Part#: 1821-1105
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Husaberg
    • FE390, 2010
    • FE450, 2009-2010
    • FE570, 2009-2010
    • FS570, 2010
    • FX450, 2010
$299.95
       
Part#: 1821-1049
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Husqvarna
    • TC 250, 2009
    • TC 310, 2009-2010
    • TC 450, 2009-2010
    • TC 510, 2009-2010
    • TE 250, 2009
    • TE 310, 2009-2010
    • TE 450, 2009-2010
    • TE 510, 2009-2010
    • TXC 250, 2009
    • TXC 310, 2009-2010
    • TXC 450, 2009-2010
    • TXC 510, 2009-2010
$299.95
       
Part#: 1821-1138
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Husqvarna
    • TC 250, 2010
    • TE 250, 2010
    • TXC 250, 2010
$299.95
       
Part#: 1821-0521
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX125, 2003-2006
  • Suzuki
    • DRZ125, 2003-2010
$179.95
       
Part#: 1821-1099
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Suzuki
    • RMX450Z, 2010
$299.95
       
Part#: 1821-1079
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2010
$299.95
       
Part#: 1821-1141
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Suzuki
    • RMZ450, 2008-2009
$299.95
       
Part#: 1821-1039
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler
FITMENT: View all units this part fits
  • Yamaha
    • YZ450F, 2010
$299.95
       
Part#: FMF042005
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Kawasaki
    • KLX110, 2002-2010
  • Suzuki
    • DR-Z110, 2003-2005
$179.95
       
Part#: 1820-0316
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R50E, 2006-2010
$179.95
       
Part#: FMF040080
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 slip-on muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R90, 2000-2007
$179.95
       
Part#: FMF042000
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX250R, 1994-2007
    • KLX300R, 1994-2007
$299.95
       
Part#: FMF043011
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX400SR, 2003-2004
  • Suzuki
    • DR-Z400E, 2000-2010
    • DR-Z400S, 2000-2010
    • SM, 2005-2010
$299.95
       
Part#: FMF043006
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Suzuki
    • DR250, 1990-1999
    • DR350, 1990-1999
$299.95
       
Part#: FMF044014
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor modular muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR250F, 2001-2002
    • YZ250F, 2001-2002
$299.95
       
Part#: 1821-1016
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Honda
    • CRF230L, 2008-2010
    • CRF230M, 2009-2010
$299.95
       
Part#: 1821-1133
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Honda
    • XR650L, 1993-2010
$299.95
       
Part#: 1821-1136
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLR600, 1984-2010
    • KLR650, 1984-2010
    • Tengai, 1984-2010
$299.95
       
Part#: 1821-0808
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX140, 2008-2010
$199.95
       
Part#: FMF043010
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX400, 2003-2004
  • Suzuki
    • DR-Z400, 2000-2005
$299.95
       
Part#: FMF045011
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • KTM
    • 400, 2000-2003
    • 525, 2000-2003
$299.95
       
Part#: 1821-1137
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Suzuki
    • DR650SE, 1997-2010
$299.95
       
Part#: FMF043024
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX125, 2003-2006
  • Suzuki
    • DRZ125, 2003-2010
$199.95
       
Part#: FMF043012
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Suzuki
    • DR-Z250, 2000-2006
$269.95
       
Part#: 1821-1027
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • BW200, 1985-1987
    • TW200, 1988-2010
$299.95
       
Part#: FMF044021
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • TT-R225, 1999-2005
$249.95
       
Part#: 1821-0363
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • TT-R230, 2005-2010
$249.95
       
Part#: 1821-0168
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • TT-R250, 1999-2006
$249.95
       
Part#: 1821-0797
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR250R, 2008-2010
    • WR250X, 2008-2010
$299.95
       
Part#: FMF044013
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR400, 1998-2002
    • WR426F, 1998-2002
    • YZ400F, 1998-2002
    • YZ426F, 1998-2002
$299.95
       
Part#: 1821-1028
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler
FITMENT: View all units this part fits
  • Yamaha
    • XT250, 2008-2010
$299.95
       
Part#: FMF042002
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Kawasaki
    • KLX110, 2002-2010
  • Suzuki
    • DR-Z110, 2003-2005
$199.95
       
Part#: 1820-0730
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Suzuki
    • DRZ70, 2008
$199.95
       
Part#: FMF040071
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R125, 2000-2007
$199.95
       
Part#: 1820-0317
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R50E, 2006-2010
$199.95
       
Part#: FMF040070
MATERIAL: Steel
DESCRIPTION: PowerCore 4 spark arrestor muffler w/ header
FITMENT: View all units this part fits
  • Yamaha
    • TT-R90, 2000-2007
$199.95
       
Part#: 1821-0807
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KLX140, 2008-2010
$179.95
       
Part#: 1821-0909
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KX250F, 2009-2010
$299.95
       
Part#: 1821-0672
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KX450F, 2006-2008
$299.95
       
Part#: 1821-0954
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KX450F, 2009-2010
$299.95
       
Part#: 1821-0671
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Kawasaki
    • KX250F, 2004-2008
  • Suzuki
    • RM-Z250, 2004-2006
$299.95
       
Part#: 1821-0568
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2007-2009
$299.95
       
Part#: 1821-0675
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z450, 2005-2007
$299.95
       
Part#: 1821-0680
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR250F, 2003-2006
    • YZ250F, 2003-2005
$299.95
       
Part#: 1821-0578
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR250F, 2007-2010
    • WR450F, 2007-2010
    • YZ250F, 2006
    • YZ250F, 2007-2009
    • YZ450F, 2006
    • YZ450F, 2007-2009
$299.95
       
Part#: 1821-0681
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • Yamaha
    • WR450F, 2003-2006
    • YZ450F, 2003-2005
$299.95
       
Part#: 1821-0688
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with stock header.
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 250 SXF, 2005-2008
    • 250 XCF, 2007-2008
    • 250 XCF-W, 2007-2008
$299.95
       
Part#: 1821-0689
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with stock header.
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 450 EXC, 2004-2006
    • 450 MXC, 2004-2006
    • 450 SX, 2004-2006
    • 450 XC, 2004-2006
    • 525 EXC, 2004-2006
    • 525 MXC, 2004-2006
    • 525 SX, 2004-2006
    • 525 XC, 2004-2006
    • XC, 2007
    • XCW, 2007
$299.95
       
Part#: 1821-0930
MATERIAL: Steel
MOUNTING TYPE: Slip-On
NOTES: To be used with FMF PowerBomb headers PART # 1822-0033
DESCRIPTION: PowerCore 4 spark arrestor slip-on muffler
FITMENT: View all units this part fits
  • KTM
    • 450 EXC, 2004-2006
    • 450 MXC, 2004-2006
    • 450 SX, 2004-2006
    • 450 XC, 2004-2006
    • 525 EXC, 2004-2006
    • 525 MXC, 2004-2006
    • 525 SX, 2004-2006
    • 525 XC, 2004-2006
    • XC, 2007
    • XCW, 2007
$299.95
       
Part#: 1820-0732
MATERIAL: Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 spark arrestor system w/ Power Bomb header, stainless
FITMENT: View all units this part fits
  • Suzuki
    • DRZ70, 2008
$249.95
       
Part#: 1820-0756
MATERIAL: Steel
MATERIAL (SECONDARY): Aluminum
MOUNTING TYPE: Slip-On
DESCRIPTION: PowerCore 4 w/ stainless steel header, aluminum
FITMENT: View all units this part fits
  • Kawasaki
    • KLX110, 2002-2010
  • Suzuki
    • DR-Z110, 2003-2005
$249.95
       
Factory 4.1 Slip-On Mufflers (EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR 4-STROKES) [^top]
Qty Description   Our Price (USD)
Part#: 1821-0544
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF150R, 2007-2008
$399.95
       
Part#: 1821-0546
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, titanium
FITMENT: View all units this part fits
  • Honda
    • CRF150R, 2007-2008
$449.95
       
Part#: 1821-0545
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF150R, 2007-2008
$399.95
       
Part#: 1821-0547
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized titanium
FITMENT: View all units this part fits
  • Honda
    • CRF150R, 2007-2008
$449.95
       
Part#: 1821-0249
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2004-2005
    • CRF250X, 2004-2008
$424.95
       
Part#: 1821-0403
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, titanium
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2006-2009
$499.95
       
Part#: 1821-0397
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
NOTES: No spark arrestor.
DESCRIPTION: Factory 4.1 Dual slip-on muffler set
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2006-2009
$399.95
       
Part#: 1821-0253
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2004
$424.95
       
Part#: 1821-0282
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2005-2008
$424.95
       
Part#: 1821-0283
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2005-2008
$424.95
       
Part#: 1821-0902
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, titanium
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2009-2010
$499.95
       
Part#: 1821-0903
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized titanium
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2009-2010
$499.95
       
Part#: 1821-0744
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450X, 2005-2009
$424.95
       
Part#: 1821-0745
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450X, 2005-2009
$424.95
       
Part#: 1821-1064
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2010
$449.95
       
Part#: 1821-1066
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2009-2010
$449.95
       
Part#: 1821-1085
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2010
$424.95
       
Part#: 1821-1045
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized stainless steel
FITMENT: View all units this part fits
  • Yamaha
    • YZ450F, 2010
$374.95
       
Part#: 1821-1024
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized titanium
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2010
$549.95
       
Part#: 1821-1087
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized titanium
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2010
$499.95
       
Part#: 1821-1047
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, anodized titanium
FITMENT: View all units this part fits
  • Yamaha
    • YZ450F, 2010
$449.95
       
Part#: 1821-1063
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2010
$449.95
       
Part#: 1821-1065
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, stainless steel
FITMENT: View all units this part fits
  • Honda
    • CRF450R, 2009-2010
$449.95
       
Part#: 1821-1104
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RMX450Z, 2010
$424.95
       
Part#: 1821-1084
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2010
$424.95
       
Part#: 1821-1044
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, stainless steel
FITMENT: View all units this part fits
  • Yamaha
    • YZ450F, 2010
$374.95
       
Part#: 1821-1023
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, titanium
FITMENT: View all units this part fits
  • Honda
    • CRF250R, 2010
$549.95
       
Part#: 1821-1086
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, titanium
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2010
$499.95
       
Part#: 1821-1046
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler RCT, titanium
FITMENT: View all units this part fits
  • Yamaha
    • YZ450F, 2010
$449.95
       
Part#: 1821-0266
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z450, 2005-2007
$424.95
       
Part#: 1821-0696
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized
FITMENT: View all units this part fits
  • KTM
    • 250 SXF, 2009-2010
    • 250 XCF, 2009-2010
    • 250 XCF-W, 2009-2010
    • 450 EXC, 2009-2010
    • 450 EXC-R, 2008
    • 450 SXF, 2007-2010
    • 450 XCRW, 2008
    • 450 XCW, 2009-2010
    • 450XCF, 2008-2009
    • 505 SXF, 2008-2009
    • 505 XCF, 2008-2009
    • 530 EXC-R, 2008
    • 530 XCRW, 2008
$399.95
       
Part#: 1821-0915
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Kawasaki
    • KX250F, 2009-2010
$424.95
       
Part#: 1821-0960
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Kawasaki
    • KX450F, 2009-2010
$424.95
       
Part#: 1821-0574
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RM-Z250, 2007-2009
$424.95
       
Part#: 1821-1147
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Suzuki
    • RMZ450, 2008-2009
$424.95
       
Part#: 1821-0275
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Yamaha
    • WR250F, 2003-2006
    • YZ250F, 2003-2005
$424.95
       
Part#: 1821-0584
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Yamaha
    • WR250F, 2007-2010
    • WR250F, 2007-2010
    • WR450F, 2007-2010
    • YZ250F, 2006
    • YZ250F, 2007-2009
    • YZ450F, 2006
    • YZ450F, 2007-2009
$424.95
       
Part#: 1821-0279
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MATERIAL (SECONDARY): Steel
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized stainless steel
FITMENT: View all units this part fits
  • Yamaha
    • WR450F, 2003-2006
    • YZ450F, 2003-2005
$424.95
       
Part#: 1821-0917
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized titanium
FITMENT: View all units this part fits
  • Kawasaki
    • KX250F, 2009-2010
$499.95
       
Part#: 1821-0962
COLOR: Blue
FINISH: Anodized
MATERIAL: Titanium
MOUNTING TYPE: Slip-On
DESCRIPTION: Factory 4.1 slip-on muffler, anodized titanium
FITMENT: View all units this part fits
  • Kawasaki
    • KX450F, 2009-2010