United States (USD$)

FMF Factory 4.1 RCT Muffler - Aluminum 042374 1821-1953

Name: FMF Factory 4.1 RCT Muffler - Aluminum 042374 1821-1953
Brand: FMF
SKU: 042374
Price: 539.99 USD
Availability: InStock

SKU 042374

by FMF

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$599.99

$599.99 - $599.99

$599.99

$539.99

$539.99 - $539.99

$539.99

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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)

Let customers speak for us

from 5578 reviews

Quality service, prompt shipping; product as advertised

Really a no-frills transaction as they as they all should be: product as advertised, at a good price, delivered promptly. Service on the phone was also very to-the-point and courteous. Will consider buying from Magma again.

08/21/2025