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FMF Factory 4.1 — RCT Titanium Anodized Slip-On (041603)

Part # 041603
Item #357616
Discontinued. This part won't be restocked. We're selling the remaining stock, once it's gone, it's gone.
Fits 2 motorcycles
  • Honda
    • CRF 450 R · 2021-2026
    • CRF450RX · 2021-2026
$899.99 $809.99 Save $90.00
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Shipping calculated at checkout.
  • Low stock - 1 item left
  • Backordered, shipping soon
  • Flat $10 U.S. shipping, free over $100
  • Ships from one of three U.S. warehouses
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WARNING: Cancer and Reproductive Harm, www.P65Warnings.ca.gov
FMF Factory 4.1 RCT Titanium Anodized Slip-On — Honda CRF450R (2021-2026), Honda CRF450RX (2021-2026), 4-Stroke
Product Details

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.

  • Available in Blue Anodized Titanium Muffler with Carbon End Cap
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

Slip-on. Replaces the stock muffler and bolts to the stock header or an FMF MegaBomb/PowerBomb header, sold separately. Header not included.

This is a 4-stroke exhaust. It is engineered for the 4-stroke engine architecture above and physically will not fit a 2-stroke bike. Verify your engine type before purchase.

Fitment

  • Honda CRF450R 2021–2026
  • Honda CRF450RX 2021–2026

Specifications

System TypeSlip-On
MaterialTitanium (proprietary alloy grade)
Material GradeAerospace grade
FinishBlue anodized (muffler)
End Cap MaterialCarbon fiber (blue)
TechnologyFMF Resonance Chamber Technology (RCT)
Made InUSA
Best ForOff-road / Trail, MX / Motocross

Verified from Garamoto’s catalog & fitment data.

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