Factory 4.1 RCT Exhaust Silencer 20-23 GasGas Husqvarna KTM EC 250-500 - FMF 045648

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap utilises cutting-edge Resonance Chamber Technology™ both internally and externally to deliver superior power gains across the RPM range, weight savings, and improved durability. Its compact design positions the muffler closer to the motor, aiding in mass centralisation and reducing crash vulnerability. Made from proprietary aerospace-grade titanium and finished in a distinctive blue anodised coating with a carbon end cap, this exhaust system is engineered for serious performance and reliability, manufactured entirely in Southern California.

Features

• Incorporates internal and external FMF Resonance Chamber Technology™ for optimised performance
• Compact, mass-centralising muffler placement reduces crash susceptibility
• Aerospace-grade, blue anodised titanium muffler with lightweight carbon end cap
• Substantial power gains throughout the entire RPM range
• Dramatic weight savings over standard systems (5.6 lbs)
• RTS (Rapid Tuning System) for quick adjustments
• Titanium midpipe construction
• Includes removable 94dB quiet insert and screen-type spark arrestor
• For closed course use only

Specifications

• Item ID: 045648
• Type: Slip-On
• Configuration: Single
• Construction: Titanium
• Finish: Blue Anodised
• Midpipe: Titanium
• Endcap: Carbon
• Spark Arrestor: Screen insert (included)
• Quiet Insert: 94dB insert (included)
• Weight: 5.6 lbs

Vehicle Fitment

GAS GAS

• EC 250F (2021)
• EC 350F (2021)

HUSQVARNA

• FE 250 (2020–2021)
• FE 350 (2020–2023)
• FE 350 Rockstar Edition (2021)
• FE 450 (2020–2021, 2023)
• FE 501 (2020–2023)

KTM

• 350 XCF-W (2020–2022)
• 450 XCF-W (2020–2021, 2023)
• 500 XCF-W (2020–2023)