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. Its performance is extensively tested and validated: in the computer, using Computational Fluid Dynamics software - on the flowbench - and later, on the vehicle. Let the others build and ship: Ram-Airs performance is proven, again and again! Note: This product does not fit 2500 or 3500 pickup trucks. Banks Ram-Air for Chevy/GMC V8s.