Banks Power Ram-Air intake system is designed to flow more massive amounts of cold, dense air to your engine for higher power and fuel economy. This air intake system allows for clean and continuous airflow into the engine, achieving more power and better mileage for your car. It can be re-usable for life and reinstall for thousands of trouble-free miles. It includes reusable high-flow air filter 8-plys of premium cotton-gauze trap engine to kill debris while the fresh air continues its path to power. It is compatible with 2006-2007 Chevrolet, GMC 6.6 l Duramax diesel LLY, LBZ.