FMF Factory 4.1 RCT Muffler - 042369 Kawasaki KX 450 2019-2023 Brand_Yuasa Improper geometry can lead to

Improper geometry can lead to a bad blade angle and/or force being applied incorrectly

Direct plug-in stators complete with all rubbers and OEM-style plug end

8" square of Pro Seal material that can be cut to fit most models

Indexed steel bar-end insert mounts solidly and will not allow guard to rotate in a crash

0:1 Displacement 85" Piston Head Shape Flat Top Product Name Piston Kit Riding Style Street Bore Size 3-9/16" Stroke Length 4-1/4"

FMF Factory 4.1 RCT Muffler - 042369 Kawasaki KX 450 2019-2023 Brand_Yuasa Improper geometry can lead toFeatures The Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at