FMF Racing - FMF042412 - Factory 4.1 RCT Anodized Titanium Slip-On Muffler

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.

• Highest-quality proprietary blend of alloy grade titanium
• Blue anodized titanium muffler with carbon end cap
• Massive power gains throughout the RPM range
• Rapid Tuning System (RTS)

The FMF Racing Factory 4.1 RCT slip-on muffler incorporates FMF Resonance Chamber Technology™ internally and externally to deliver performance-focused exhaust design. Its shorter overall length helps reduce susceptibility to crash damage, while Factory Forward Engineering moves the muffler closer to the motor to help centralize mass.

Key Features & Performance Benefits

• FMF Resonance Chamber Technology™: Integrated internal and external resonance chamber design.
• Shorter Overall Length: Designed to be less susceptible to crash damage.
• Factory Forward Engineering: Positions the muffler closer to the motor to centralize mass.
• Rapid Tuning System (RTS): Provides the Factory 4.1 RCT with FMF’s Rapid Tuning System.

Key Product Specifications & Technical Data

• Brand: FMF Racing
• Part Number: FMF042412
• Product Type: Slip-on muffler
• Series: Factory 4.1 RCT
• Construction: Aerospace-grade materials
• Muffler Material: Proprietary alloy-grade titanium
• Finish: Blue anodized titanium muffler
• End Cap: Carbon

What's Included

The package includes one FMF Racing Factory 4.1 RCT anodized titanium slip-on muffler with carbon end cap. The muffler is manufactured at FMF Racing’s Southern California factory.

Fitment

Fits 2025 Kawasaki KX250X and 2026 Kawasaki KX250X models.

Fitments:
2025 Kawasaki KX250X Base
2026 Kawasaki KX250X Base

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1