A large 7 conical filter with a 3.5 flange opening provides 44 greater airflow over the stock intake system. This washablereusable, 5 - layer, progressively finer, mesh cotton gauze, oiled media, air filter provides maximum airflow and performance. aFe POWER snap - on heat shield replaces the top of the factory air box to provide a hassle - free installation while maintaining factory mounting locations. This system uses a CAD - modeled, dyno - tuned, roto - molded intake tube to achieve maximum power gains while ensuring a perfect fit.