Bully Dog Outlook Combo for 2001-05 Duramax

Take your truck to a whole new level, with Bully Dog's Triple Dog Outlook Combo pack. No one in the performance market can touch what Bully Dog can do. The Triple Dog Outlook combo allows you to do what no one else can, adjust a downloader on the fly inside your cab with our Outlook Monitor. Every program in the downloader is adjustable on the fly! This means you can adjust horsepower levels while you drive using the Outlook Monitor. Vehicle Applications: - GM '01-'05 GM