K&N Filters 57-2573 Air Intake 2006-2007 Ford Explorer SUV

K&N57-2573 Air Intake, Black Tube, Red Filter, Ford, Explorer, 2006-07, 4.6L, V8, Kit K&N Engineering has developed a performance air intake system (57-2573) that is street legal in 50 states for the 2006 and 2007 Ford Explorer with 4.6 liter V8 engine. K&N dynamometer testing shows an 11.0 horsepower gain at 4500 rpm. 57-2573 K&N air intake system installed in 2006 Ford Explorer 57-2573 K&N air intake system installed in 2006 Ford Explorer Dyno chart for 2006 Ford Explorer4.6 liter engine with K&N air intake system Dyno chart for 2006 Ford Explorer4.6 liter engine with K&N air intake system. To immediately see the benefits of a K&N air intake system, simply replace the Explorer’s original intake assembly with the 57-2573. Cooler outside air is drawn through a washable and reusable K&N chrome top air filter (RF-1048) for more power and filtering capacity.