-The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at FMF's Southern California factory.
-Experience Massive Power gains throughout the RPM range.
-Removable spark arrestor screen included.
-Closed Course Use Only.
Dimensional weight listed
FMF Beta 450RX Factory Anodized Titanium 4.1 Slip-On
Produced by FMF of USA