Factory 4.1 RCT Exhaust Silencer 19-23 KTM Husqvarna GasGas 250 EX MC FC SX-F XC-F - FMF 045632

Experience advanced performance with the FMF Racing Factory 4.1 RCT Stainless Slip-On equipped with a lightweight carbon end cap. Engineered for serious riders, this slip-on utilises FMF’s cutting-edge Resonance Chamber Technology™ for increased power and reduced noise. The design emphasises centralised mass by positioning the muffler closer to the engine, reducing vulnerability to crash damage and enhancing handling. Precision-crafted in Southern California from aerospace-grade materials, the Factory 4.1 RCT ensures exceptional durability and substantial weight savings for closed-course competition.

Features

• Incorporates FMF Resonance Chamber Technology™ for superior performance


• Shorter overall length to minimise crash exposure


• Muffler positioned for optimised mass centralisation


• Aerospace-grade natural aluminium muffler with carbon end cap


• Massive power gains across the RPM range


• Substantial weight savings for improved agility


• Rapid Tuning System (RTS) for easy adjustments


• Stainless steel midpipe for strength and longevity


• Removable screen-type spark arrestor (included)


• 94dB quiet insert (included)


• Notice: For closed course use only

Specifications

• Item ID: 045632


• Type: Slip-On


• Configuration: Single


• Construction: Aluminium


• Finish: Natural


• Midpipe Material: Stainless Steel


• End Cap: Carbon Fibre


• Spark Arrestor: Screen Insert (included)


• Quiet Insert: 94dB Insert (included)


• Weight: 7.1 lbs


• Carb Warning: No

Vehicle Fitment

GAS GAS

• EX 250F (2021–2023)


• MC 250F (2021–2023)

HUSQVARNA

• FC 250 (2019–2022)

KTM

• 250 SX-F (2019–2022)


• 250 XC-F (2019–2022)