Features: Spark arrestor screen insert included. For closed course competition only.
Features: Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology™ both internally and externally. Achieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler...
Features: For closed course competition use only. NOTE: Will not pass 2025 FIM sound regulation.