Exhaust, Mufflers & Tips

FMF Racing Yamaha YZ250F/YZ450F 06-09 /WR250F 07-13/WE450F 07-11 Anod SS Fact 4.1 SO Muffler - 044235

The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath Racing. The Powerbomb header is made of durable...

FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Q4 S/A Muffler - 044232

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system...

FMF Racing Yamaha YZ250F 06-09/YZ450F 06-09/WR250F 07-13/450F 07-11 Powercore 4 Muffler - 044228

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end...

FMF Racing Yamaha YZ450F 07-09/WR450F 07-15 SS Powerbomb Header - 044225

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved flow.This Part...

FMF Racing Yamaha YFZ450 04-09/ 12-15 Powercore 4 Muffler - 044224

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end...

FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Powercore 4 Muffler - 044222

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end...

FMF Racing Yamaha YZ250F 03-05/WR250F 03-06 Powercore 4 Muffler - 044220

The PowerCore 4 was developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo end...

FMF Racing Yamaha Raptor 700 2006-23 SS Factory 4.1 SO Muffler - 044211

The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath Racing. The Powerbomb header is made of durable...

FMF Racing Yamaha YFZ450 04-09/12-15 Q4 S/A Muffler - 044210

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system...

FMF Racing Yamaha YZ450F 03-05/WR450F 03-06 Q4 S/A Muffler - 044199

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system...

FMF Racing Yamaha YZ250F 03-05/WR250F 03-06 Q4 S/A Muffler - 044195

A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system...

FMF Racing Yamaha Raptor 700 06-14 SS Powerbomb Header - 044176

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved flow.