FMF Powercore 4 Muffler KFX 450 R 2008-2011 042148 1831-0382 PowerCore Core Goggles Clear Lens single heat shields give a

single heat shields give a full seamless appearance They give great sound that's enhanced by the proprietary PowerPort crossover

8 pounds over the stock can alone

70% Acrylic / 15% Cotton / 15% Wool Down-angled curved bill with structured crown

100% polyester / jersey bonded polar fleece

FMF Powercore 4 Muffler KFX 450 R 2008-2011 042148 1831-0382 PowerCore Core Goggles Clear Lens single heat shields give aFMF 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