FMF Racing Factory 4.1 Slip-On Muffler for 06-09 Yamaha YZ250F / YZ450F / 07-14 WR250F / 07-11 WR450F - Anodized Titanium- 044235 2008 Honda TRX90EX Sportrax 90 2001 Yamaha PW50

2001 Yamaha PW50

2006 Kawasaki KVF650 Brute Force 4x4

2004 Gas Gas EC 450

where activity level may be low to moderate

2010 Harley-Davidson Sportster Iron - XL 883N

FMF Racing Factory 4.1 Slip-On Muffler for 06-09 Yamaha YZ250F / YZ450F / 07-14 WR250F / 07-11 WR450F - Anodized Titanium- 044235 2008 Honda TRX90EX Sportrax 90 2001 Yamaha PW50FMF Factory 4. 1 Slip On Muffler Superior power and performance horsepower improved throughout the rpm range Factory Forward Engineering centralizes mass, improves handling Customize with performance tuning inserts and spark arrestor module Made in the USA The FMF 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