This Spectre High Performance Racing (HPR) Air Filter is a black media clamp-on cone air filter that can be used for a wide variety of applications. Using the included adapter rings this filter can fit 3 inch 3-1/2 inch and 4 inch diameter tubes. Manufactured using high quality materials throughout including oiled synthetic media urethane and steel mesh this washable performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base this 5-1/2 inch tall air filter is factory pre-oiled and ready to use. Since 1983 Spectre has designed and offered unique and innovative parts and components to fuel your car or truck obsession. Our products are designed and tested to perform and last. We have a state of the art chassis dynamometer with diagnostic and emissions testing and performance optimizing capabilities as well as a top of the line Super-Flow flow bench with airflow pressure and velocity measuring capabilities in both intake and exhaust modes and also a whole bunch of expensive scientific laboratory type equipment all of which are used to develop Quality Products that Perform. From humble beginnings in a two car garage to setting world records and becoming the first wheel driven gasoline powered car to run over 400 mph it's been one heck of a ride.
