Q4 4-Stroke Quiet Series Slip-On Exhaust
Q4 S/A MUFFLER KAW
Item: 79-42388
Brand : FMF
Your Price: $449.99
Q4 S/A MUFFLER KAW
79-42388
Weight: 4.3 lbs
Package Dimensions: 36.85 x 6.37 x 6.37
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Product fitment
Kawasaki
2020
KLX300R
2021
KLX300R
2022
KLX300R
2023
KLX300R
2024
KLX300R
Q4 S/A MUFFLER SUZ
Item: 79-43380
Brand : FMF
Your Price: $449.99
Q4 S/A MUFFLER SUZ
79-43380
Weight: 4.25 lbs
Package Dimensions: 41.1 x 6.22 x 6.37
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Product fitment
Suzuki
1997
DR650SE
1998
DR650SE
1999
DR650SE
2000
DR650SE
2001
DR650SE
2002
DR650SE
2003
DR650SE
2004
DR650SE
2005
DR650SE
2006
DR650SE
2007
DR650SE
2008
DR650SE
2009
DR650SE
2010
DR650SE
2011
DR650SE
2012
DR650SE
2013
DR650SE
2014
DR650SE
2015
DR650SE
2016
DR650SE
2017
DR650SE
2018
DR650SE
2019
DR650SE
2020
DR650SE
2021
DR650SE
2022
DR650SE
Q4 HEX S/A KAW
Item: 79-42393
Brand : FMF
Your Price: $449.99
Q4 HEX S/A KAW
79-42393
Weight: 7.16 lbs
Package Dimensions: 24 x 11.9 x 5.5
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Product fitment
Kawasaki
2021
KX250F
KX250X
2022
KX250F
KX250X
2023
KX250F
KX250X
2024
KX250F
KX250X
Q4 4-STROKE QUIET SERIES EXHAUST SLIP-ON
Item: 79-4201
Brand : FMF
Your Price: $449.99
Q4 4-STROKE QUIET SERIES EXHAUST SLIP-ON
79-4201
Weight: 5.55 lbs
Package Dimensions: 37 x 6.29 x 6.45
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2006
YFM700R Raptor
2007
YFM700R Raptor
2008
YFM700R Raptor
2009
YFM700R Raptor
2010
YFM700R Raptor
2011
YFM700R Raptor
2012
YFM700R Raptor
2013
YFM700 Raptor
YFM700R Raptor
2014
YFM700 Raptor
YFM700R Raptor
2015
YFM700 Raptor
YFM700R Raptor
2016
YFM700 Raptor
YFM700R Raptor
2017
YFM700 Raptor
YFM700R Raptor
2018
YFM700 Raptor
YFM700R Raptor
Q4 S/A TRX400EX '99-07
Item: 79-4125
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A TRX400EX '99-07
79-4125
Weight: 5.3 lbs
Package Dimensions: 30.9 x 6.4 x 6.3
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Honda
1999
TRX400EX Sportrax
2000
TRX400EX Sportrax
2001
TRX400EX Sportrax
2002
TRX400EX Sportrax
2003
TRX400EX Sportrax
2004
TRX400EX Sportrax
2005
TRX400EX Sportrax
2006
TRX400EX Sportrax
2007
TRX400EX Sportrax
2008
TRX400EX Sportrax
2009
TRX400EX Sportrax
2012
TRX400X
2013
TRX400X
2014
TRX400X
S/A PC IV Q4 SUZUKI LTZ250
Item: 79-4164
Brand : FMF
Your Price: $429.99
The product is out of stock
S/A PC IV Q4 SUZUKI LTZ250
79-4164
Weight: 2.55 lbs
Package Dimensions: 31.02 x 6.29 x 6.37
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Suzuki
2004
Lt-Z250 QuadSport Z
2005
Lt-Z250 QuadSport Z
2006
Lt-Z250 QuadSport Z
2007
Lt-Z250 QuadSport Z
2008
Lt-Z250 QuadSport Z
2009
Lt-Z250 QuadSport Z
Q4 S/A LTZ 400
Item: 79-4165
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A LTZ 400
79-4165
Weight: 4.1 lbs
Package Dimensions: 36.92 x 6.22 x 6.37
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Kawasaki
2003
KFX 400
2004
KFX 400
2005
KFX 400
2006
KFX 400
Suzuki
2003
Lt-Z400 QuadSport Z
2004
Lt-Z400 QuadSport Z
2005
Lt-Z400 QuadSport Z
2006
Lt-Z400 QuadSport Z
2007
Lt-Z400 QuadSport Z
2008
Lt-Z400 QuadSport Z
2009
Lt-Z400 QuadSport Z
2012
Lt-Z400 QuadSport Z
2013
Lt-Z400 QuadSport Z
2014
Lt-Z400 QuadSport Z
Q4 S/A RAPTOR 350 '05-09
Item: 79-4181
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A RAPTOR 350 '05-09
79-4181
Weight: 9.7975 lbs
Package Dimensions: 6.29 x 36.69 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2005
YFM350R Raptor
2006
YFM350R Raptor
2007
YFM350R Raptor
2008
YFM350R Raptor
2009
YFM350R Raptor
2010
YFM350R Raptor
2011
YFM350R Raptor
2012
YFM350R Raptor
2013
YFM350R Raptor
Q4 S/A YFZ450 '04-07
Item: 79-4184
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A YFZ450 '04-07
79-4184
Weight: 7.2804 lbs
Package Dimensions: 6.29 x 36.69 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2004
YFZ450
2005
YFZ450
2006
YFZ450
2007
YFZ450
2008
YFZ450
2009
YFZ450
2012
YFZ450
2013
YFZ450
Q4 S/A YFZ450R '09
Item: 79-4185
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A YFZ450R '09
79-4185
Weight: 8.0127 lbs
Package Dimensions: 6.29 x 36.69 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2009
YFZ450R
2010
YFZ450R
2011
YFZ450R
2012
YFZ450R
2013
YFZ450R
2014
YFZ450R
2015
YFZ450R
2016
YFZ450R
2017
YFZ450R
2018
YFZ450R
Q4 S/A RAPTOR 660 '01-05
Item: 79-4187
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A RAPTOR 660 '01-05
79-4187
Weight: 7.0377 lbs
Package Dimensions: 6.29 x 36.69 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2001
YFM660R Raptor
2002
YFM660R Raptor
2003
YFM660R Raptor
2004
YFM660R Raptor
2005
YFM660R Raptor
Q4 4-STROKE QUIET SERIES EXHAUST SLIP-ON
Item: 79-4422
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 4-STROKE QUIET SERIES EXHAUST SLIP-ON
79-4422
Weight: 6.5257 lbs
Package Dimensions: 30.62 x 6.53 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Honda
2004
TRX450R
2005
TRX450R
2006
TRX450R
2007
TRX450R
2008
TRX450R
2009
TRX450R
2012
TRX450R
2013
TRX450R
2014
TRX450R
S/A Q4 YAM YFM250 RAPTOR '08
Item: 79-7543
Brand : FMF
Your Price: $449.99
The product is out of stock
S/A Q4 YAM YFM250 RAPTOR '08
79-7543
Weight: 6.35 lbs
Package Dimensions: 31.18 x 6.37 x 6.29
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Model: Q4
Product fitment
Yamaha
2008
YFM250R Raptor
2009
YFM250R Raptor
2010
YFM250R Raptor
2011
YFM250R Raptor
2012
YFM250R Raptor
2013
YFM250R Raptor
Q4 HEX MFLR KAW
Item: 79-042410
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 HEX MFLR KAW
79-042410
Weight: 7 lbs
Package Dimensions: 24 x 12 x 6
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Product fitment
Kawasaki
2025
KX250F
KX250X
2026
KX250F
KX250X
Q4 S/A MUFFLER HON
Item: 79-41597
Brand : FMF
Your Price: $449.99
The product is out of stock
Q4 S/A MUFFLER HON
79-41597
Weight: 7 lbs
Package Dimensions: 36.5 x 6.5 x 6.25
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- Developed over years of championship off-road racing
- Max sound output 96db; most models below 93db
- Pounds lighter than stock
- Use with stock or FMF header
- Built-in spark arrestor included
- Easy to repack
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Exhaust Type: Slip-On Muffler
Product fitment
Honda
1993
XR650L
1994
XR650L
1995
XR650L
1996
XR650L
1997
XR650L
1998
XR650L
1999
XR650L
2000
XR650L
2001
XR650L
2002
XR650L
2003
XR650L
2004
XR650L
2005
XR650L
2006
XR650L
2007
XR650L
2008
XR650L
2009
XR650L
2010
XR650L
2011
XR650L
2012
XR650L
2013
XR650L
2014
XR650L
2015
XR650L
2016
XR650L
2017
XR650L
2018
XR650L
2019
XR650L
2020
XR650L
