Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for the entire machine. Polaris® kits include gasket, both header donuts and...

Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for the entire machine. Polaris® kits include gasket, both header donuts and...

Two stroke kits include all applicable O-rings, springs, washers and gaskets. Four stroke kits include the exhaust gasket. Multi-cylinder applications include enough items for the entire machine. Polaris® kits include gasket, both header donuts and...

Easily installed on any QuadBoss® muffler. Lowers the sound of the muffler by 20 to 30 decibels, which is quieter than stock.

QuadBoss Polaris Diesel 455 99-01 ATV Slip-On MufflerThis Part Fits:YearMakeModelSubmodel1999-2001PolarisDiesel (455cc)Base1999-2000PolarisSportsman 335Base1999PolarisWorker 335Base1999PolarisWorker 500Base1997PolarisXplorer 500 4x4Base

Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed!This Part Fits:YearMakeModelSubmodel2001-2005PolarisSportsman 400Base2006-2007PolarisSportsman 450Base2006-2007PolarisSportsman 500...

Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed!

Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed!

Steel muffler with black finish can be directly installed on O.E.M. pipes with its special coupler: no gaskets needed!

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...

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...

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...