2017-2019 L5P K&N AIR INTAKE SYSTEMGive your L5P Duramax the airflow it deserves with the K&N Cold Air Intake System, designed to increase performance, improve throttle response, and enhance overall engine efficiency. Built as a direct upgrade over the restrictive factory intake, this system allows your truck to breathe easier translating into better power and a more responsive driving experience. At the heart of the system is K&Ns high flow, oiled cotton air filter, engineered to
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