FMF Factory 4.1 Slip-On Exhaust For Yamaha | 044406 RED These items are designed exclusively

These items are designed exclusively for closed course competition use ONLY

2001-05 Yamaha YZ 250F

New for 2016 is new alloy hold down collar & recessed bolt system that secures the slider firmly to the swing arm

anti-freeze

and it’s finished off with a durable powder coat finish

FMF Factory 4.1 Slip-On Exhaust For Yamaha | 044406 RED These items are designed exclusivelyThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering moving the muffler closer to the motor to centralize mass. The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at