FMF Powercore 4 Muffler - 044224 Yamaha ATVs 2004-2009 road sofa-ls Piston rings are either nitride

Piston rings are either nitride or chrome plated

Industry-leading plastic formula “RMS” (Return Memory System)

00 mm Style Round Slide Color/Finish Natural Product Name Carburetor Color/Finish Pink Color/Finish Silver Features Clamp-On Type Mounting Model VM Series Base Color Silver Main Jet 330 Pilot Jet 30 Needle Jet Q-O (159 Series) Units Each

Easy assembly and disassembly using rubber expanders and elastics

FMF Powercore 4 Muffler - 044224 Yamaha ATVs 2004-2009 road sofa-ls Piston rings are either nitrideFeatures FMF 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 Specs Pipe Material Stainless Steel Muffler Material Aluminum Product Name Muffler Riding Style ATV