Not sure which 2001 GMC Sierra Air Intake Systems are right for you? We have over 20796 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"The kit was easy to install and looks great. I definetely notice the extra horsepower.Autoanything was easy do deal with and provided prompt shipping.JR" —Jan R from Luray, TN bought a K&N 77 Series Metal Intake Kit for a 2001 GMC Sierra.