FMF Racing Q4 Slip-On Mufflers

FMF Racing
Q4 Slip-On Mufflers

Honda
1985-00 XR600R; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041337
Price: $458.99
Sale Price: $344.01
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

1993-09 & 2012-20 XR650L; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041338
4.1 / 5 based on 3 customer reviews
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2003-17 CRF150F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041332
Price: $369.99
Sale Price: $277.28
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2003-17 CRF230F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041332
Price: $369.99
Sale Price: $277.28
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2004-17 CRF250R/CRF250X; Quiet Performance Q4™ Slip-On Muffler, Aluminum
  - FMFR-041249
Price: $471.88
Sale Price: $394.84
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2005-08 CRF450R; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041255
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2007-19 CRF150R; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-041287
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2013-16 CRF450R; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-041506
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Product Reviews Summary
Overall: 
4.1
3 Customer Review(s)
Appearance
4.0
Ease of Installation
3.7
Price / Value
4.0
Quality
4.7
Click Here to See
Customer Reviews of This Product
Kawasaki
2003-04 KLX400SR; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043207
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Type: Slip-On
  • Configuration: Single
  • Const: Aluminum
  • Finish: Champagne Anodized
  • Endcap: Stainless Steel
Install-Download (PDF)
2006-09 KX450F/KLX450R; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-042118
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Type: Slip-On
  • Configuration: Single
  • Const: Aluminum
  • Finish: Champagne anodized
  • Endcap: Stainless Steel
Install-Download (PDF)
Kawasaki
2003-04 KLX400SR; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043207
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Type: Slip-On
  • Configuration: Single
  • Const: Aluminum
  • Finish: Champagne Anodized
  • Endcap: Stainless Steel
Install-Download (PDF)
2006-09 KX450F/KLX450R; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-042118
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • Type: Slip-On
  • Configuration: Single
  • Const: Aluminum
  • Finish: Champagne anodized
  • Endcap: Stainless Steel
Install-Download (PDF)
KTM
2004-11 450 / 525; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-045124
Install-Download (PDF)
Price: $436.99 Sale Price: $327.33
    
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Suzuki
1997-20 DR650SE; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043208
Price: $447.99
Sale Price: $335.90
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2000-20 DRZ400 / S / SM; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043207
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2004-06 RMZ250; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-042116
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2009-20 DR200S / SE; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043236
Price: $369.99
Sale Price: $277.28
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2013-18 RMZ250; Quiet Performance Q4™ Hex Slip-On Muffler, SS Aluminum
  - FMFR-043345
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • FMF Q4 incorporates internal baffles, chambers and space age sound absorbing materials to accelerate exhaust flow with less noise and minimal power loss
  • Well under the 96db sound output on most machines to satisfy strict sound requirements
  • Max Sound output 96dB, most models below 93dB
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Used with stock or FMF headers
  • Single configuration
  • Screen insert included
  • Aluminum muffler
  • Hexagon case shape
  • Stainless steel mid-pipe and end cap
  • No Carb warning
  • 5.7 lbs.

Note: For closed course competition use only. Not intended for street use.

Muffler Repacking Guide
Download Installation Guide
Suzuki
1997-20 DR650SE; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043208
Price: $447.99
Sale Price: $335.90
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2000-20 DRZ400 / S / SM; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043207
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2004-06 RMZ250; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-042116
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2009-20 DR200S / SE; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-043236
Price: $369.99
Sale Price: $277.28
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2013-18 RMZ250; Quiet Performance Q4™ Hex Slip-On Muffler, SS Aluminum
  - FMFR-043345
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Features
  • FMF Q4 incorporates internal baffles, chambers and space age sound absorbing materials to accelerate exhaust flow with less noise and minimal power loss
  • Well under the 96db sound output on most machines to satisfy strict sound requirements
  • Max Sound output 96dB, most models below 93dB
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Used with stock or FMF headers
  • Single configuration
  • Screen insert included
  • Aluminum muffler
  • Hexagon case shape
  • Stainless steel mid-pipe and end cap
  • No Carb warning
  • 5.7 lbs.

Note: For closed course competition use only. Not intended for street use.

Muffler Repacking Guide
Download Installation Guide
Yamaha
1998-02 WR400F, WR426F, YZ400F & YZ426F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044291
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2003-06 WR250F & YZ250F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044195
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2003-06 WR450F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044199
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2006-13 WR250F, WR450F, YZ250F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044232
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2010-13 YZ250F; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044387
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2014-18 WR450F, YZ450F & YZ450FX; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044413
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
Yamaha
1998-02 WR400F, WR426F, YZ400F & YZ426F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044291
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2003-06 WR250F & YZ250F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044195
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2003-06 WR450F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044199
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2006-13 WR250F, WR450F, YZ250F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044232
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2010-13 YZ250F; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044387
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2014-18 WR450F, YZ450F & YZ450FX; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044413
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
Yamaha
1998-02 WR400F, WR426F, YZ400F & YZ426F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044291
Price: $436.99
Sale Price: $327.33
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2003-06 WR250F & YZ250F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044195
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2003-06 WR450F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044199
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2006-13 WR250F, WR450F, YZ250F & YZ450F; Quiet Performance Q4 Slip-On Muffler, Aluminum
  - FMFR-044232
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)
2010-13 YZ250F; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044387
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

2014-18 WR450F, YZ450F & YZ450FX; Quiet Performance Q4 Hex Slip-On Muffler, Aluminum
  - FMFR-044413
Price: $447.99
Sale Price: $335.67
 
We have not yet cataloged this product for fitment or product details and therefore cannot assume responsibility for ordering errors. Please read the description carefully and confirm fitment and features via the manufacturer before ordering.

Install-Download (PDF)

Learn More About FMF Racing Dirt Bike Q4 Slip-On Mufflers

Overview

FMF Racing is the innovator within high end quiet technologies as well as FMF Racing Q4 Slip-On Muffler, which is he next development in off road exhaust. The FMF Racing Q4 Slip-On Muffler employs elaborate chambers, baffles as well as amazing multistage packaging materials which makes it the very best performing quiet muffler obtainable. The easiest method to explain the actual Q4s will be "less is actually more" -- much less pounds, much less sound, much more locations in order to trip. With the Q4 you don’t need to hear the power, just feel the power! Order your own FMF Racing Q4 Slip-On Muffler at a lowest price.

Features
  • Incorporates internal baffles, chambers and space age sound absorbing materials
  • Accelerates exhaust flow with less noise and minimal power loss
  • Well under the 96db sound output on most machines to satisfy strict sound requirements
  • US forestry approved spark arrestor with maintenance free stainless steel spark arrestor screen
  • Developed over years of championship off-road racing
  • Max Sound output 96dB, most models below 93dB
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Used with stock or FMF headers
  • Single configuration
  • Screen insert included
  • No Carb warning