K&N Replacement Air Filter FORD 6.0L REPLACEMENT AIRBOXK&N's lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. This air filter with air box is designed to replace your existing factory air box and air filter. This replacement air filter and air box are street legal in all 50 states and are covered by our famous K&N Million Mile Limited Warranty. It will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED. This Part Fits: Year Make