Banks Power 99-08 Chev/GMC 4.8-6.0L 1500 Ram-Air Intake System - Dry FilterBanks Ram Air Intake feeds your Chevy GMC gas engine cooler, denser, outside air for greater power and fuel economy. Banks Ram Air Superiority. (For 4. 8L, 5. 3L, 6. 0L and, 6. 2L only) Banks Ram Air Intake feeds your Chevy GMC gas engine cooler, denser, outside air for greater power and fuel economy. It's performance is extensively tested and validated in the computer using Computational Fluid Dynamics software, on the flowbench, and later on the