MUFFLER ANTI 4.11 RCT CF GPX 3.5 Starting blocks risers developed for

Starting blocks risers developed for young and short motocross riders at the starting gate

OEM replacement

SX-F 450 07-12

350 SX-F 14-23

Compatibility with Protections: The S3 shirt has been designed with the possibility of using additional gear in mind

MUFFLER ANTI 4.11 RCT CF GPX 3.5 Starting blocks risers developed forFactory 4. 1 RCT Slip On Muffler 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