We offer an advanced air filter system (some times called cold air intake) for Chevrolet GM Duramax, Dodge & Ford Diesel or GM Gas vehicles this is definetly a project for the DIY Owner. Bolt on horsepower increased performance, save fuel! In some applications remove factory designed intake air difficiency, improve by over 200% engine runs easier and cooler extending engine life. Don't see filter system you need just give us a call.