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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
(1) Rear pipe with 18mm and 12mm sensor bungs
all designed to meet FIM noise limits for competition
Includes fittings for easy installation
Chrome-plated and accented with five louvers for a truly custom appearance
FMF Factory 4.1 RCT Dual Mufflers - Blue Anodized CRF250R/X 2018-2021 041589 1821-1994 4-1/2" Slip-On Muffler (1) Rear pipe with 18mmThe Factory 4. 1 RCT incorporates FMF 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 FMF's exacting specifications and is manufactured 100% at their
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