Honda TRX450ER FMF Factory 4.1 RCT Full System Blue Anodized - 041547 Honda 2014 - TRX450ER Electric Start 2014 - TRX450R 2013 - TRX450ER Electric Start 2013 - TRX450R 2012 - TRX450ER Electric Start 2012 - TRX450R 2009 - TRX450ER Electric Start 2009 - TRX450R 2008 - TRX450ER Electric Start 2008 - TRX450R 2007 - TRX450ER Electric Start 2007 - TRX450R 2006 - TRX450ER Electric Start 2006 - TRX450R 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. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory. Item ID: 041547 Type: System Configuration: Single Const: Titanium Finish: Blue Anodized Midpipe: Stainless Steel Endcap: Carbon Spark Arrestor: Screen Insert (included) Quiet Insert: 94dB Insert (included) Header Const: Stainless Steel Header Type: PowerBomb Weight: 6.6 lbs.