Modular exhaust port flange for reliability and less vibration
Up to 10% horsepower gain Proprietary technology to increase flow Pre-muffler lowers sound output up to 1.5dB Modular exhaust port flange for reliability and less vibration
This Item Fits the Following Applications: 2008 Honda CRF450R 2007 Honda CRF450X 2007 Honda CRF450R 2006 Honda CRF450X 2006 Honda CRF450R 2005 Honda CRF450X 2005 Honda CRF450R 2004 Honda CRF450R