Rough Country GM Cold Air Intake (09-13 Chevy/GMC/Denali 1500 w/4.8L, 5.3L, 6.0L or 6.2L) 10543 2009-2013 - Chevy/GMC Silverado/Sierra 1500, 2WD/4WD, w/4.8L, 5.3L, 6.0L or 6.2LIncreases horsepower and performanceImproves airflow to engine for better...