Beta RR 390 EFI 2020-2023 FMF Factory 4.1 RCT Slip-On Muffler 045668

Description

Factory 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 is manufactured 100% at their Southern California factory

Massive Power gains throughout the RPM range.

Huge weight savings

RTS (Rapid Tuning System)

Product Fitment

This product is suitable for the following motorcycles:
Beta
RR390	2020, 2021, 2022, 2023

Welcome to the FMF brand page here on Dr. Bikes! FMF, the leading manufacturer of high-performance exhaust systems for off-road motorcycles, ATVs, and UTVs. Dr. Bikes stocks a wide range of FMF products, including exhaust systems, mufflers, headers, and many more. With FMF expect improved performance, enhanced sound, and a stylish look for your ride. Browse our selection of FMF products to find the perfect fit for your off-road machine. If you have any questions, don't hesitate to contact our knowledgeable team for assistance.

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