K N Diesel High-Flow Performance Engine Air Filter E-0787 / 735-6031 Increase Power Towing, Washable, Premium, Replacement Air Filter Compatible with 2010-2012 Dodge/RAM (Ram 2500, Ram 3500, Ram 4500, Ram 5500) ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance RUGGED CONSTRUCTION: K N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime 6 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles) REUSABLE K N FILTER SAVES YOU MONEY: A K N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving) ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K N air filters- limitations apply EASY INSTALLATION: K N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gain