This Spectre OEM replacement air filter is an easy to install performance option for the stock air filter in multiple Chevy and GM car and truck applications. With its HPR (High Performance Replacement) synthetic air filter media, this air filter has been designed to provide more horsepower and quicker acceleration by allowing more air flow into your engine than ordinary paper filters. Engineered to fit in the stock air filter housings, this air filter is easy to install and includes the rubber base flange to insure a proper seal for great engine protection.