FMF Factory 4.1 RCT Slip-On Muffler for 2019 Yamaha YZ250F - 044453 2005 Yamaha Venture 600 2008 Harley-Davidson Dyna Fat Bob

2008 Harley-Davidson Dyna Fat Bob (EFI) - FXDF

2006 Kawasaki KX125

2011 KTM 530 EXC

2004 Harley-Davidson Dyna Low Rider - FXDL

FMF Factory 4.1 RCT Slip-On Muffler for 2019 Yamaha YZ250F - 044453 2005 Yamaha Venture 600 2008 Harley-Davidson Dyna Fat BobFMF Racing Factory 4. 1 RCT Slip On Muffler Part Number: 044453 Constructed from only aerospace grade materials that meets FMF exact specifications Shorter overall length is less susceptible to crash damage Shorter length design moves the muffler closer to the motor and improves centralize mass Greater canister volume helps reduce sound and increases packing life Race team tested and approved 100% Made in the USA Massive power gains throughout the RPM