Part Description: Yamaha YZ450F 2020-2022
Yamaha YZ450FX 2019-2023
The 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 our Southern California factory.
Notice:Closed Course Use Only
Item ID:044460
Type:System
Configuration:Single
Const:Aluminum
Finish:Natural
Midpipe:Stainless Steel
Endcap:Carbon
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:94dB Insert (included)
Header Const:Stainless Steel
Header Type:MegaBomb
