ASIN B000AP1MPCImage via Amazon
K&N Cold Air Intake System: High-Flow Air-Filter, Increase Performance & Horsepower: Compatible with 2001-2004 FORD/MAZDA Explorer Sport Trac; Explorer Sport; Ranger; B4000; Explorer; 57-2529-1
- Guaranteed Increase in Horsepower & Torque
- Dyno Testing You Can Trust
- Improved Engine Sound
- Better Towing
$354.41
Price as of Oct 16, 2026, 7:48 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Guaranteed Increase in Horsepower & Torque
K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine.
Dyno Testing You Can Trust
K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are included with each intake system.
Improved Engine Sound
HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed.
Better Towing
K&N Air intake kit improves acceleration and uphill performance when towing by improving throttle response, overall horsepower and torque. Excellent for daily and highway driving.
Premium Engine Protection From a Trusted Brand
K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle.
K&N Cold Air Intake System: High-Flow Air-Filter, Increase Performance & Horsepower: Compatible with 2001-2004 FORD/MAZDA Explorer Sport Trac; Explorer Sport; Ranger; B4000; Explorer; 57-2529-1
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