This Spectre OEM replacement air filter is an easy to install performance option for the stock panel shaped air filter in multiple Nissan, Infiniti and Subaru applications. With its performance synthetic air filter media, this air filter has been designed to add horsepower and quicker acceleration by allowing more air flow into your engine than ordinary paper filters. This air filter's sealing edge was engineered to insure a proper air box seal and great engine protection. This Spectre OEM replacement air filter is an easy to install performance option for the stock panel shaped air filter in multiple Nissan, Infiniti and Subaru applications.