HMF Muffler Yamaha Grizzly 660 02-08 Performance Full System Exhaust
Customer Ratings
HMF Muffler Yamaha Grizzly 660 02-08 Performance Full System Exhaust

Today, HMF is a leading worldwide supplier of performance exhausts for the Powersports Industry. Pushing the limits in our research and development is how we come up with new ways to solve the needs of off-road riders. HMF is on the front line of Powersports engineering to keep riders, like you, moving ahead towards the next adventure.
The Performance Series exhaust has been the staple of the brand since the origin. Whether on dirt or pavement, this exhaust system has the capability of generating an even increase in horsepower and torque while distributing that signature HMF tone.
The Yamaha Grizzly 660 system is available as a Full System in the Performance Series. The Full System picks up 15-25% more horsepower and torque throughout the power curve. The HMF exhausts weight substantially less that the stock exhaust.
Details:
Series: PerformanceSystem: Full System
Mount: Side
Fitment:
- Yamaha Grizzly 660 YFM660F 4x4 2002-2008
Note: Image is for reference only, actual product may vary slightly.
Today, HMF is a leading worldwide supplier of performance exhausts for the Powersports Industry. Pushing the limits in our research and development is how we come up with new ways to solve the needs of off-road riders. HMF is on the front line of Powersports engineering to keep riders, like you, moving ahead towards the next adventure.
The Performance Series exhaust has been the staple of the brand since the origin. Whether on dirt or pavement, this exhaust system has the capability of generating an even increase in horsepower and torque while distributing that signature HMF tone.
The Yamaha Grizzly 660 system is available as a Full System in the Performance Series. The Full System picks up 15-25% more horsepower and torque throughout the power curve. The HMF exhausts weight substantially less that the stock exhaust.
Details:
Series: PerformanceSystem: Full System
Mount: Side
Fitment:
- Yamaha Grizzly 660 YFM660F 4x4 2002-2008
Note: Image is for reference only, actual product may vary slightly.