Banks Ram-Air Intake feeds your Nissan Titan* 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 Â… on the flowbench Â… and later, on the vehicle. Let the others build and ship: Ram-AirÂ’s performance is proven, again and again! 5-year Warranty (filter: Lifetime Warranty)