250TBS SuperChiller Intercooler.If you're looking for a cost effective method of increasing your supercharged engine's output and improving reliability, install a SuperChiller Intercooler. Bolt-on 75 to 150 horsepower. The SuperChiller Intercooler dramatically reduces the air temperature of the intake charge, thereby increasing air density to the combustion chamber. A cooler, denser air/fuel mixture takes up less space inside each cylinder, allowing the mixture to provide an increased intake charge without the risk of detonation.Installation studs and gaskets included.Features hard anodized end caps with 1/2" female NPT fittings. End caps available blank or with Superchiller logo, please specify. Superchiller housing is 4" thick. Anodized aluminum core features 9 water tubes and 24 fins per inch. Not recommended for continuous salt water use. Always flush intercoolers after salt water use.