FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Ignition Circuit Breaker Studs Seat nose may require modification

Seat nose may require modification to fit properly with extended tanks

Brake/clutch controls and switch housings with OEM style clamps sold separately

Quiet on the trail as well as on the sound meter

Features a large three-color Drag Specialties logo

FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Ignition Circuit Breaker Studs Seat nose may require modificationFMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum construction and stainless steel Hi Flo endcaps make for the perfect balance of performance and strength Removable spark arrestor included