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Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
-
Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
Product description
The FMF Q4 Silencer For Yamaha WRF450 2003-2006 - Silver is part of the latest collection from FMF.
Features:
- 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
- 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
Specifications:
- Base Color: Silver
- End Cap Material: Stainless Steel
- End Cap Style: Conical
- Model: Q4
- Muffler Color/Finish: Raw
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- Product Name: Muffler
- Style: Oval
- Type: Slip-On
- Units: Each
- Weight: 2.86 kg (6.3 lb)
To fit:
- YAMAHA WR 450 F 2003 European Models
- YAMAHA WR 450 F 2004 American Models
- YAMAHA WR 450 F 2004 European Models
- YAMAHA WR 450 F 2005 American Models
- YAMAHA WR 450 F 2005 European Models
- YAMAHA WR 450 F 2006 American Models
- YAMAHA WR 450 F 2006 European Models
- YAMAHA YZ 450 F 2003 American Models
- YAMAHA YZ 450 F 2003 European Models
- YAMAHA YZ 450 F 2004 American Models
- YAMAHA YZ 450 F 2004 European Models
- YAMAHA YZ 450 F 2005 American Models
- YAMAHA YZ 450 F 2005 European Models
- YAMAHA WR 450 F 2003 American Models
Manufacturer part number: 044199
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF Q4 Silencer For Yamaha WRF450 2003-2006 - Silver
To fit:
- YAMAHA WR 450 F 2003 American Models
- YAMAHA WR 450 F 2003 European Models
- YAMAHA WR 450 F 2004 American Models
- YAMAHA WR 450 F 2004 European Models
- YAMAHA WR 450 F 2005 American Models
- YAMAHA WR 450 F 2005 European Models
- YAMAHA WR 450 F 2006 American Models
- YAMAHA WR 450 F 2006 European Models
- YAMAHA YZ 450 F 2003 American Models
- YAMAHA YZ 450 F 2003 European Models
- YAMAHA YZ 450 F 2004 American Models
- YAMAHA YZ 450 F 2004 European Models
- YAMAHA YZ 450 F 2005 American Models
- YAMAHA YZ 450 F 2005 European Models

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.
Product description
The FMF Q4 Silencer For Yamaha WRF450 2003-2006 - Silver is part of the latest collection from FMF.
Features:
- 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
- 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
Specifications:
- Base Color: Silver
- End Cap Material: Stainless Steel
- End Cap Style: Conical
- Model: Q4
- Muffler Color/Finish: Raw
- Muffler Material: Aluminum
- Pipe Material: Stainless Steel
- Product Name: Muffler
- Style: Oval
- Type: Slip-On
- Units: Each
- Weight: 2.86 kg (6.3 lb)
To fit:
- YAMAHA WR 450 F 2003 European Models
- YAMAHA WR 450 F 2004 American Models
- YAMAHA WR 450 F 2004 European Models
- YAMAHA WR 450 F 2005 American Models
- YAMAHA WR 450 F 2005 European Models
- YAMAHA WR 450 F 2006 American Models
- YAMAHA WR 450 F 2006 European Models
- YAMAHA YZ 450 F 2003 American Models
- YAMAHA YZ 450 F 2003 European Models
- YAMAHA YZ 450 F 2004 American Models
- YAMAHA YZ 450 F 2004 European Models
- YAMAHA YZ 450 F 2005 American Models
- YAMAHA YZ 450 F 2005 European Models
- YAMAHA WR 450 F 2003 American Models
Manufacturer part number: 044199
View all FMF. View all Parts and spares.
Contents
Your package will include the following:
- 1 X FMF Q4 Silencer For Yamaha WRF450 2003-2006 - Silver
To fit:
- YAMAHA WR 450 F 2003 American Models
- YAMAHA WR 450 F 2003 European Models
- YAMAHA WR 450 F 2004 American Models
- YAMAHA WR 450 F 2004 European Models
- YAMAHA WR 450 F 2005 American Models
- YAMAHA WR 450 F 2005 European Models
- YAMAHA WR 450 F 2006 American Models
- YAMAHA WR 450 F 2006 European Models
- YAMAHA YZ 450 F 2003 American Models
- YAMAHA YZ 450 F 2003 European Models
- YAMAHA YZ 450 F 2004 American Models
- YAMAHA YZ 450 F 2004 European Models
- YAMAHA YZ 450 F 2005 American Models
- YAMAHA YZ 450 F 2005 European Models

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.































