K&N 57-2556 Cold Air Intake Multicolor Unisex sku-34871949

The K&N 57-2556 cold air intake kit, SKU sku-34871949, UPC 024844109507, is listed under K&N as Multicolor and Unisex. K&N states that it is 50-state legal, increases horsepower without an ECU tune and provides up to 50% more airflow than a factory air box and intake tube. The kit is described as improving throttle response when towing and changing engine sound.

K&N says its filter protects against contaminants and needs no cleaning for up to 100,000 miles. It lists a 10-year/million-mile limited warranty and says installation takes less than an hour with basic hand tools. Listed fitments include 2004-2008 Ford F150 with a 5.4L V8, 2005 Ford Expedition with an 8-cylinder 5.4 L engine, and 2006-2008 Lincoln Mark LT with an 8-cylinder 5.4 L engine.

Check vehicle fitment before ordering.