
K&N has designed a performance air intake system for the 2008 Ford F250, F350, F450 and F550 Super Duty with the 6.4 liter diesel engine. K&N dynamometer tests show a 16.4 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 steps needed to install a power gaining K&N air intake into a 2008 and 2009 Ford F-250, F-350, F-450 and F-550 Super Duty 6.4L Diesel.
