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Discussion Starter · #1 · (Edited)
Hypertech Max Energy - Power Programmer - 2006-2008 LLY/LBZ/LMM - Excelent condition. Sold my 08'.

In orginal box with all documentation. Part # 32003

$175. Shipped!
 

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Still have it?
 

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Did it help you out at all with fuel mileage.
 

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Discussion Starter · #5 ·
Mileage went up about 1.5 - 2 mpg. Both towing and normal driving. Power increase was noticable and usable. Made a big difference towing 40' toy hauler.
 
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