The Hellmann Intercooler is designed for maximum air flow to lower Exhaust Gas Temperature (EGT.) Whether your truck is a daily driver, mild / wild street truck or sled pulling monster, the Hellmann Intercooler will lower EGT’s by a healthy 100-200 degrees, and considerably lower intake air temperatures. The Hellmann Intercooler is designed for 2003-2007 Dodge 5.9L Cummins Turbo Diesel engines. Constructed of tube / fin intercooler core, tanks are fabricated from T6 aluminum, guaranteed to withstand 110 psi of boost.