If you are building a custom turbo kit and need an air filter we have you covered? This filter is constructed of a rigid cotton gauze material and features urethane ends. The filter comes pre-oiled and can easily be cleaned and re-oiled when needed. This is the same filter used in our S6, A6, and S4 intake systems
Filter Length 6"
Small Side Diameter 4.5"
Large Side Diameter 5.5"
*Universal product, may require modification to fit your car