FMF Racing FMF042380 Factory 4.1 RCT Exhaust System with Stainless Steel Header

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.

• Customize with tuning inserts and spark arrestor; sold separately
• Superior power on stock and big bore motors

The FMF Racing Factory 4.1 RCT exhaust system incorporates FMF Resonance Chamber Technology™ internally and externally to deliver superior power on stock and big bore motors. Its shorter overall length helps reduce susceptibility to crash damage, while Factory Forward Engineering positions the muffler closer to the motor to help centralize mass.

The system is designed for select Kawasaki KLX110 and Suzuki DR-Z110 applications. It can be customized with tuning inserts and a spark arrestor, which are sold separately. The product is EPA compliant.

Key Features & Performance Benefits

• Resonance Chamber Technology: Uses FMF Resonance Chamber Technology™ internally and externally.
• Shorter Overall Length: Helps reduce susceptibility to crash damage.
• Factory Forward Engineering: Positions the muffler closer to the motor to help centralize mass.
• Power Performance: Delivers superior power on stock and big bore motors.

Key Product Specifications & Technical Data

• Brand: FMF Racing
• Part Number: FMF042380
• Product Type: Powersports exhaust system
• Model: Factory 4.1 RCT
• Header: Stainless steel
• Resonance Chamber Technology: Internal and external
• EPA Status: Compliant
• Customization: Tuning inserts and spark arrestor sold separately

What's Included in the Box

The product data identifies the Factory 4.1 RCT exhaust system with stainless steel header. Tuning inserts and the spark arrestor are sold separately.

Fitment

Fits 2002, 2004, 2005, 2006, 2007, and 2008 Kawasaki KLX110; 2003 Kawasaki KLX110; and 2003, 2004, and 2005 Suzuki DR-Z110.

Fitments:
2002 Kawasaki KLX110 Base
2003 Kawasaki KLX110 Base
2003 Suzuki DR-Z110 Base
2004 Kawasaki KLX110 Base
2004 Suzuki DR-Z110 Base
2005 Kawasaki KLX110 Base
2005 Suzuki DR-Z110 Base
2006 Kawasaki KLX110 Base
2007 Kawasaki KLX110 Base
2008 Kawasaki KLX110 Base
2009 Kawasaki KLX110 Base
2010 Kawasaki KLX110 Base
2010 Kawasaki KLX110L Base
2011 Kawasaki KLX110 Base
2011 Kawasaki KLX110L Base
2012 Kawasaki KLX110 Base
2012 Kawasaki KLX110L Base
2013 Kawasaki KLX110 Base
2013 Kawasaki KLX110L Base
2014 Kawasaki KLX110 Base
2014 Kawasaki KLX110L Base
2015 Kawasaki KLX110 Base
2015 Kawasaki KLX110L Base
2016 Kawasaki KLX110 Base
2016 Kawasaki KLX110L Base
2017 Kawasaki KLX110 Base
2017 Kawasaki KLX110L Base
2018 Kawasaki KLX110 Base
2018 Kawasaki KLX110L Base
2019 Kawasaki KLX110 Base
2019 Kawasaki KLX110L Base
2020 Kawasaki KLX110 Base
2020 Kawasaki KLX110L Base
2021 Kawasaki KLX110R Base
2021 Kawasaki KLX110R L Base
2022 Kawasaki KLX110R Base
2022 Kawasaki KLX110R L Base
2023 Kawasaki KLX110R Base
2023 Kawasaki KLX110R L Base
2024 Kawasaki KLX110R Base
2024 Kawasaki KLX110R L Base
2025 Kawasaki KLX110R Base
2025 Kawasaki KLX110R L Base
2026 Kawasaki KLX110R Base
2026 Kawasaki KLX110R L Base

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