This is a set of Camaro 85-92 TPI Ram Air Boxes made of stainless steel. Modification to your exisitng Air Cleaner will need to be done before adding the Ram Air Boxes. Does not include the Air Cleaner. Includes boxes, installation screws and installation instructions. Shipping is not included. Designed by Hawks Third Gen Parts. Tested on a Stock 305 TPI with headers and FlowMaster exhaust with and without the Ram Air III box. The Ram Air III box helped the 305 TPI gain 12.5 hp and 19.2lb-ft of torque.