MUFFLER ALUM FCTR 4.1RCT Dual Compound D's patented X-Ring is superior

D's patented X-Ring is superior to other O-Ring designs

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MUFFLER ALUM FCTR 4.1RCT Dual Compound D's patented X-Ring is superiorFactory 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