K&N Dyno Results: Increase of +20 Horsepower at the rear wheels.
Fitment: 2003-2007 Ford Super Duty 6.0L V8 F250/F350.
For Cervini's Ram Air Hoods Only: this Ram Air Ducting Kit will only fit Cervini's Type 4 Ram Air Hoods, and will not fit the stock hood or other aftermarket hoods.