FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Competition Handlebar — Mini/Competition The New Octagon Silencer Design

The New Octagon Silencer Design Features a Titanium silencer body with Titanium end caps and a Carbon Fiber beauty cover

Safe for plastic and painted surfaces

Phillips screwdriver

enhancing dry-start performance and reducing crankpin wear

Note: Bike side and the separate listing bench tuning kit do the same thing but one tunes off the bike and the other attaches to the bike

FMF Powercore 4 Muffler YFZ 450 2004-2009, 2012-2015 044224 1831-0365 Competition Handlebar — Mini/Competition The New Octagon Silencer DesignFMF 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