The Edge Products 28135 Jammer Cold Air Intake increases horsepower and fuel economy on your 2004.5-2005 GM 6.6L Duramax LLY. The Jammer Cold Air Intake features a revolutionary design that improves airflow by blocking hot air and using cooler, denser air for optimal efficiency. Edge performance tuning, combined with the Jammer CAI, offers best-in-class results for maximum performance, and improved continuous power. Engineered and designed for the ultimate in reliability, durability and performance, this intake system comes with a pre-oiled washable and re-usable air filter and features a 5-year limited warranty. Product image is for display purposes. Intake may vary by make, model and year.