The K&N 77 Series Air Intake System for your 11-16 GM 6.6L Duramax is built for performance and show utilizing the highest quality components, free-flowing mandrel-bent 4" aluminum tube. Comes with a Million Mile Limited Warranty.
K&N intake systems replace your vehicle's restrictive factory air filter and air intake housing. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your vehicle's engine to inhale a larger amount of air than the OEM air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The filters on these kits are washable and reusable.
Dyno Tested Horsepower Gain: 12.19 HP @ 2850 RPM
24.71 Ft/Lbs of Torque @ 2346 RPM
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