Intercooler System W/Boost Tubes 07-09 Dodge 6.7L Banks PowerMore Safe Power. It's all bigger: 3. 5 inch mandrel bent boost tubes, aluminum end tanks, wide open inlet and outlet with 31 percent bigger cross sections and 12 percent thicker core area. Much greater flow volume. Increases air density for higher continuous power. Superior to stock in every way. The Banks Techni Cooler Intercooler System includes mandrel bent 3. 5 inch high flow boost tubes, large high efficiency all aluminum end tanks, wide open 31