White Bros - XCR Slip-On for 2007 YZ-450f

White Brothers, pioneers of 4-Stroke racing exhaust systems and proud supplier of The Factory Yamaha MX and SX Team, is thrilled to announce the arrival of the XCR! This outstanding new addition to the WB performance exhaust line-up offers unmatched quality, performance and versatility, at an incredibly affordable price. As with all White Brothers exhaust, the XCR puts out the power that would only be expected from the industry leader and innovator in 4-stroke exhaust development.