Ice Barrel Intercooler Drag Race 8 x 12 4 outlets. The new Ice Barrel intercooler uses C&R revolutionary seamless round leading edge tube design with an internal fin, which incorporates a straight through design improving heat transfer for less pressure drop. Utilizes a unique straight through tube arrangement like the Liquid to Air Barrel design, however the Ice Barrel is designed to specifically run dry ice. It incorporates a 18mm wide tube pitch, a finless ice compartment, sealed access lid and CO2 breather fitting and drain plug which gives this unit a unique design; the first available on the market.