Large Five Layer Performance Air FilterMomentums innovative filter - to - housing interface was built to feature the largest air filter possible. This 9 tall 360 - degree radial flow air filter features a 5 - 12 flange and our pre - oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provides your engine with the largest amount of high - flowing air and delivers the highest power gains in most cases. This media is perfect for street use. This filter's inverted top makes for more surface area, resulting in longer service intervals, while its expanded metal provides impact protection.Unique One - Piece HousingThe smooth one - piece sealed housing, constructed of heat - resistant cross - linked polyethylene (XLPE), features our patent - pending filter - to - housing interface. Its innovative design minimizes the total number of parts, making for an easy installation. A large, clear sight window allows for hassle - free filter inspection, without having to disassemble your system. The housing utilizes the factory air inlet, using no additional hardware, and features an optional auxiliary air inlet.Dyno - Tuned Intake TubeThis system features a high quality, computer - designed, dyno - tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat soak resistant and extremely durable.Hassle - Free InstallationStainless - steel T - bolt clamps and a silicone coupler are included for strength and durability. Momentum GT intakes are designed with fewer parts for a fast and easy installation.