Factory 4.1 RCT Exhaust Silencer 07-16 Husaberg Husqvarna KTM 250-530 - FMF 045561

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap delivers cutting-edge Resonance Chamber Technology™ for superior exhaust flow, enhanced power output, and optimal crash resilience. Featuring Factory Forward Engineering, the muffler is positioned closer to the engine for improved mass centralisation. Manufactured from premium aerospace-grade titanium, this slip-on exhaust offers substantial weight reduction, robust durability, and is finished in striking blue anodisation with a carbon end cap, all built to exacting standards at FMF’s Southern California facility.

Features

• Developed with FMF Resonance Chamber Technology™ for advanced performance


• Centralised mass using Factory Forward Engineering to limit crash vulnerability


• Constructed from aerospace-grade, proprietary alloy titanium


• Blue anodised finish paired with a lightweight carbon end cap


• Offers significant power increase across the RPM range


• Substantial weight reduction (weighs 4 lbs)


• Integrated Rapid Tuning System (RTS) for quick adjustments


• Carbon end cap for strength and a premium look


• Includes removable 94dB quiet insert and spark arrestor (screen insert included)


• Designed for closed course use only

Specifications

• Item ID: 045561


• 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: 4 lbs


• Carb Warning: No

Vehicle Fitment

Husaberg

• FE 250 (2013–2014)


• FE 350 (2013–2014)


• FE 501 (2013–2014)

Husqvarna

• FE 250 (2014–2016)


• FE 350 (2014–2016)


• FE 450 (2015–2016)

KTM

• 250 SX-F (2009–2015)


• 250 XC-F (2009, 2011, 2013–2015)


• 250 XCF-W (2009–2016)


• 350 SX-F (2011–2015)


• 350 XC-F (2011–2015)


• 350 XCF-W (2012–2016)


• 400 XCW (2009–2010)


• 450 EXC (2009–2011)


• 450 EXCR (2008)


• 450 SMR (2013)


• 450 SX-F (2007–2015)


• 450 SXF Factory Edition (2012–2014)


• 450 XCF (2009)


• 450 XC-F (2013–2015)


• 450 XCRW (2008)


• 450 XCW (2009–2010)


• 450 XC-W (2012–2016)


• 500 EXC (2012–2016)


• 500 XCF-W (2012–2014)


• 500 XC-W (2013–2016)


• 505 SXF (2008)


• 505 XCF (2008–2009)


• 530 EXC (2009–2011)


• 530 EXCR (2008)


• 530 XCRW (2008)


• 530 XCW (2009–2010)