aFe Takeda Momentum Pro 5R Cold Air Intake System G29 Z4 & A90 Toyota Supra B58This 7 1 2 tall 360 degree radial flow air filter features a 4 round flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best for street and track use. The smooth one piece sealed housing, constructed of heat resistant XLPE (cross linked polyethylene) polymer, features our patent pending filter to housing interface. A large, clear sight window allows for hassle