Skip to product information
FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309
Title
Availability In stockUsually processes in 1 business day Compatibility Ask about compatibility Shop Pay installments
4 payments from $213.74
Shop Pay installment terms

Rates from 0–36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by Affirm lending partners. Options depend on your purchase amount, and a down payment may be required. State notices to consumers. Displayed payment estimates use the current product price. Taxes, shipping, discounts, and the final checkout total can change available options and payment amounts.

P4M+ rewards 4275 P4M+ points with this product. Plus automatic entry in our monthly giveaway. Nothing else to do.
5 pts / $1
Availability In stock Ready for fulfillment
Fitment We can verify fitment Ask before ordering if your bike is not obvious
Part number 18212309 FMF
Shipping Processes within 1 business day Standard U.S. delivery is typically 2-5 business days after shipment
Parts-counter style support, online. Questions about fitment, ETA, or returns can be checked before ordering, and P4M stays responsible for order support after checkout.
Trustpilot 4.2 Great 6 public reviews
$854.99 In stock

FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309

FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309 by FMF is a exhaust systems listing built for riders searching by exact product name, fitment, style, and part number.

Key Features

  • The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
  • Achieves a shorter overall length that is less susceptible to crash damage and complementary to 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 exacting specifications
  • Manufactured 100% at Southern California factory

Part Numbers

1821-2309, 045714

Available Styles

Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450

Available options: 1

Description

FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309

FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309

FMF Factory 4.1 RCT Slip-On Muffler - Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450 1821-2309 by FMF is a exhaust systems listing built for riders searching by exact product name, fitment, style, and part number.

Key Features

  • The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
  • Achieves a shorter overall length that is less susceptible to crash damage and complementary to 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 exacting specifications
  • Manufactured 100% at Southern California factory

Part Numbers

1821-2309, 045714

Available Styles

Factory 4.1 RCT Slip-On Muffler with Carbon Cap / Desmo 450

Available options: 1

You may also like