The Blower Shop now offers a cost effective method of increasing your supercharger's output as well as improving reliability. A cooler and denser air / fuel mixture takes up less space inside the combustion chamber, allowing for higher efficiency and more power without the risk of detonation. This simply means a reduction in intake temperatures on your high-performance marine power plant. This will result in a 75 to 150 horsepower gain. These intercoolers are compatible with 6-71 through 14-71 Superchargers excluding Weiand.