The 2006-2008 Ford Explorer Gains 11 HP with K&N Air Intake System

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The Ford Explorer is one of the best handling truck based SUVs on the market. Ford made substantial upgrades to the Explorer for the 2006 model year. In 2007 there were only minor changes. It comes with a long list of standard equipment and important safety features.

K&N's 57-2573 air intake system for 2006, 2007 and 2008 Ford Explorer 4.6L
K&N's 57-2573 air intake system for 2006, 2007 and 2008 Ford Explorer 4.6L

2007 Ford Explorer
2007 Ford Explorer
K&N Engineering has developed a performance air intake system (57-2573) that is street legal in 50 states for the 2006, 2007 and 2008 Ford Explorer with 4.6 liter V8 engine. K&N dynamometer testing shows an estimated gain of 11 horsepower 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 2006-2008 Ford Explorer4.6 liter engine with K&N air intake system
Dyno chart for 2006-2008 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.

A powder coated steel heat shield replaces the stock air box and protects the K&N air filter while isolating it from engine heat. The 57-2573 uses the OE Mass Airflow Sensor. Although the MAF is re-positioned to gain the benefits of additional horsepower, no computer programming is required.

The K&N air intake system can be installed in 90 minutes or less with simple hand tools and comes with the famous K&N Million Mile Limited Warranty.

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.



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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail tech@knfilters.com, or visit www.knfilters.com.

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