This is a great buy for someone I bought this for my 2006 5.3 silverado it really works. I paid 550.00 for it brand new but i got on ebay and they are now 499.99.
Hypertech 83008 Hyperpac Performance Computer JEGS

GM Pickups
Hyperpac Performance Computer
2006 GM Truck/SUV 4.3/4.8/5.3/6.0/8.1L

Hyperpac provides five distinctive programs: Performance Tuning, Drag Strip, Dynamometer, Engine Monitor, Diagnostics.

It really does everything I like how it mounts on you window like the bully dog system. I am trying to get 350.00 for it I think that is fair but I am open for anything. If interested you can call or text 3184816960.

 

bump for or best offer

 

To bad it don't fit a 05. GLWS

 

itll work for an 05 i believe

 

Let me know if it does.

 

Nope I guess that is the bad thing about it everywere i look it just says 2006 anything just about.. I'm not trying to rip know one off. Let all your friends know that have a 06. thanks

 

Applications: CADILLACESCALADE2006-2006CHEVROLETAVALANCHE 25002006-2006CHEVROLETSILVERADO 15002006-2006CHEVROLETSILVERADO 1500 HD2006-2006CHEVROLETSILVERADO 2500 HD2006-2006CHEVROLETSILVERADO 35002006-2006CHEVROLETSSR2006-2006CHEVROLETSUBURBAN 25002006-2006CHEVROLETTAHOE2006-2006CHEVROLETTRAILBLAZER2006-2006GMCENVOY2006-2006GMCSAVANA 15002006-2006GMCSAVANA 25002006-2006GMCSAVANA 35002006-2006GMCSIERRA 15002006-2006GMCSIERRA 1500 HD2006-2006GMCSIERRA 2500 HD2006-2006GMCSIERRA 35002006-2006GMCSIERRA DENALI2006-2006GMCYUKON2006-2006GMCYUKON DENALI2006-2006GMCYUKON DENALI XL2006-2006GMCYUKON XL 25002006-2006