I’mAFE dry air filter fits stock air intake on 99-18 Sierra and Silverado . Reusable .Fits on 4.3 , 5.3 and 6.2 engines. Installed and used on truck approximately 1year , then went with aftermarket intake. This filter sells for over $130 new. $50 obo. This filter replacing the stock OEM filter is an improvement and is noticeable in performance and slight mileage improvement.