FMF Factory 4.1 RCT Slip-On Muffler KTM 250/350/450/500 – Anodized Titanium 045561

Factory 4.1 RCT Slip-On Muffler - Anodized Titanium with Carbon Fiber End Cap - FE 250/350

The FMF Factory 4.1 RCT Slip-On Muffler is engineered to deliver optimized performance and sound control for your FE 250 or FE 350. Featuring Resonance Chamber Technology (RCT), this muffler incorporates a patented core shape designed to reduce noise levels by lowering decibels without sacrificing power output. Internal ducts within the RCT chambers increase internal volume, resulting in improved exhaust flow and power gains across the entire power band. Constructed from durable anodized titanium with a sleek carbon fiber end cap, this muffler combines lightweight construction with high resistance to damage and corrosion. It is compatible with both stock and FMF headers, offering straightforward installation and seamless integration with your motorcycle's exhaust system. The muffler includes a QuietCore 94 dB insert to meet AMA and FIM sound requirements, making it suitable for competitive riding environments. Additionally, the innovative rear end cap allows for easy installation of tuning tip inserts or a spark arrestor by removing just four screws, simplifying maintenance and tuning adjustments. Made in the USA, the FMF Factory 4.1 RCT muffler is a reliable upgrade that enhances performance, sound quality, and durability, ensuring you get the most out of your motorcycle on and off the track.

Features:

• Resonance Chamber Technology (RCT): Patented core shape reduces noise while maintaining maximum power output

• Internal ducts: Increase internal volume for improved exhaust flow and power gains

• Durable construction: Anodized titanium body with carbon fiber end cap for lightweight strength and corrosion resistance

• Compatibility: Fits stock or FMF headers for versatile installation

• Sound compliance: Includes QuietCore 94 dB insert to meet AMA and FIM sound standards

• Easy tuning: Rear end cap allows quick installation of tuning tip inserts or spark arrestor with four screw removal

• Made in the USA: Ensures quality craftsmanship and reliable performance.

• 2015-2016	Husqvarna	FE450	-	-
  2014-2016	Husqvarna	FE250	-	-
  2014-2016	Husqvarna	FE350	-	-
  2013-2016	KTM	500 XC-W	-	-
  2013-2014	Husaberg	FE250	-	-
  2013-2014	Husaberg	FE501	-	-
  2013-2014	Husaberg	FE350	-	-
  2013	KTM	450 SMR	-	-
  2012-2016	KTM	500 EXC	-	-
  2012-2016	KTM	350 XCF-W	-	-
  2012-2014	KTM	450 SX-F Factory Edition	-	-
  2012-2014	KTM	500 XCF-W	-	-
  2011-2015	KTM	350 XC-F	-	-
  2011-2015	KTM	350 SX-F	-	-
  2009-2016	KTM	250 XCF-W	-	-
  2009-2015	KTM	250 SX-F	-	-
  2009-2011	KTM	530 EXC	-	-
  2009-2011	KTM	450 EXC	-	-
  2009-2010 , 2012-2016	KTM	450 XC-W	-	-
  2009-2010	KTM	400 XC-W	-	-
  2009-2010	KTM	530 XC-W	-	-
  2009 , 2013-2015	KTM	450 XC-F	-	-
  2009 , 2011 , 2013-2015	KTM	250 XC-F	-	-
  2008-2009	KTM	505 XC-F	-	-
  2008	KTM	450 EXC-R	-	-
  2008	KTM	505 SX-F	-	-
  2008	KTM	450 XCR-W	-	-
  2008	KTM	530 EXC-R	-	-
  2008	KTM	530 XCR-W	-	-
  2007-2015	KTM	450 SX-F	-	-