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Video - 63-1123 Air Intake Feature for 2004-2009 Yamaha YFZ450 and 2007 and 2008 Yamaha YFZ450 SE 63-1123 - Air Intake Feature for 2004, 2005, 2006, 2007, 2008 and 2009 Yamaha YFZ450 and 2007 and 2008 Yamaha YFZ450 SE - K&N has designed a performance air intake system for the 2004 to 2009 Yamaha YFZ450 Sport ATV. K&N dynamometer tests show an estimated 4.27 horsepower gain with use of this K&N air intake modification. K&N tests multiple vehicles for each air intake kit it makes to ensure a consistent horsepower and torque gain. This video demonstrates the features of a power gaining K&N air intake for 2004 to 2009 Yamaha YFZ450 Sport ATV

List of all K&N Racing and Product Videos
List of all Air Intake Installation Videos