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Upgrade your Factory 4.1 RCT exhaust system with the FMF Racing Factory 4.1 RCT Replacement Spiral Retaining Ring. Designed for durability and performance, this retaining ring ensures a secure fit for your exhaust components during aggressive off-road riding. Made by FMF Racing, a trusted name in powersports, this part is engineered to meet strict USFS and FIM World Enduro regulations, providing confidence in both safety and legality. The rugged design withstands demanding off-road conditions, offering long-lasting reliability and consistent performance. Including a spark arrestor, this retaining ring helps reduce exhaust noise, promoting a quieter ride while maintaining optimal ground clearance for improved handling. Whether you're replacing a worn part or upgrading your system, this component ensures your exhaust remains securely in place and functions at peak performance.
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