Material:Sturdy aluminum alloy. Filter: Dry, non-oil.Easy to clean and reusable. Improve filtration efficiency, increase power output, and enhance torque. The heat shield prevent hot air from the engin enter intake. Inhale more cold air to prevent engine overheating and increase car horsepower. Filter impurities to prevent damage to the engine.filtration efficiency enhanced by up to 95%. Fit 2005-2010 Dodge Chrysler HEMI 5.7L 6.1L V8 engine.