Material:Sturdy Aluminum alloy. Filter: Dry, non-oil.Easy to clean and reusable. Polished anodizing treatment, additional heat and wear resistance. Increase by approximately 14 horsepower and 13 foot-pounds of torque. Inhale more cold air to prevent engine overheating and increase car horsepower. Filter impurities to prevent damage to engine.filtration efficiency enhanced by up to 95%. For 2003-2007 6.0L Ford Powerstroke F250 F350 F450 Turbo engine.