Duramax Tuner Switch On The Fly SPADE Preloaded Tuning Device 01-10 GM 6.6L Duramax Select Model Year:2006 - 2007 These are 5% lighter than

These are 5% lighter than a factory set and more than 200% stronger

The Jounce Bumpers/Bump Stops are flexible polyurethane bumpers inside the bag that prevent bottoming out

This is the industry's first closed system shackle mount featuring a hole machined into the body of the hook for an additional attachment point

Bully Dog tuning devices will not modify or delete vehicle emissions

Duramax Tuner Switch On The Fly SPADE Preloaded Tuning Device 01-10 GM 6.6L Duramax Select Model Year:2006 - 2007 These are 5% lighter thanWhat do you use your truck for? If you're like most, probably a little bit of everything, from hauling, work, daily driving, and some fun on the weekends. So, why not add tuning that maximizes the performance of your truck for everything you do with it? The SPADE delivers just that! Use Switch On the Fly so you can change your tune whenever you need; even while driving! No need to re flash each time so you can go from a towing tune and back to daily