Spectre's 14 by 3 inch low profile air box comes with a chrome plated exterior finish, and our 12.6 inch by 3 inch tall Spectre HPR air filter. This air box is an enclosed housing around the air filter that is designed to help block engine heat from getting to the air filter. In addition, this housing comes with a single 4 inch inlet that can be run as is or by attaching air intake tubing to make your own custom air intake. This air box is designed to fit throttle body injection assemblies and carburetors with a 5-1/8 inch neck and needs a minimum clearance of 2.4 inches above the carburetor flange. Spectre s low profile air box has a chrome plated finish; and comes with a 12.6 by 3 inch air filter. The air filter housing has a single 4 inch inlet.