Cognito 4" Standard Lift Package with Fox Shocks 01-10 6.6L GM Duramax PPE-1110200 360-degree radial flow air filter

360-degree radial flow air filter with 5-layers of progressive cotton composite media provides maximum flow

Enhance your towing experience in your 1999-2010 Ford F-250/F-350 SuperDuty with the SuperSprings Rebel HD SumoSprings

this high flow "oiled" OE replacement performance filter provide maximum protection with highest cumulative filtration efficiency for severe duty environments

Master Mode

Cognito 4" Standard Lift Package with Fox Shocks 01-10 6.6L GM Duramax PPE-1110200 360-degree radial flow air filterAre you looking to fit larger tires under your 2001 2010 Duramax for more ground clearance, a taller ride height, or heck, just because it looks killer?! Cognito is well known as producing top of the line lift kits that will not only lift the truck, but properly correct all geometry while adding substantial strength to your truck. Whether you're looking to take your truck off road and need a suspension that can take a beating, or just looking for the