Thicker core with 25 percent more flow volume. Two large, sturdy all-aluminum end tanks versus Stock has one plastic end tank. For even better airflow and faster turbos spool-up add the 25936 Boost Tube Upgrade Kit Everything about Banks Intercooler is bigger, including the core area, which has 25% more flow volume. Increases air density for more continuous power. Stock has one plastic end tank, Techni-Cooler provides two durable, all-aluminum end tanks, which will never melt or burst under high-boost conditions. Large, streamlined end tanks optimize airflow and air density. With a thicker core than stock, Banks Techni-Cooler sports a 25% increase in volume. Techni-Cooler improves cooling for higher continuous power and lower exhaust gas temps. This denser air charge and better fuel burn also provides another critical benefit, improved fuel economy.