Ram-Air Cold-Air Intake System Dry Filter for use with 2017-2019 Chevy/GMC 2500 L5P 6.6L Banks PowerBeats stock and the competition. New over sized filter element protects engine and outflows competition. Enclosed housing keeps out hot, power robbing engine air. Reduces soot output, decreasing the frequency between regens. Add an additional +20 hp to your 2017 2019 Duramax. Or, combine with the Derringer inline tuner for a total gain of 81 hp. Beats stock and the competition. New over sized filter element, largest in its class, protects engine and