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  1. Economy Xcelerator Duramax LB7/LLY/LBZ/LMM

    Vehicle electronics/ Programmers For Sale
    Bought this about a month ago off my boss at work. Shortly thereafter, I decided I wanted to delete my DPF, so I had to buy a race tuner. Has been updated to the latest software. $375.00 shipped
  2. LLY mpg's

    04.5-05 LLY Performance Parts Discussion
    Hey guys need a little help here. I have a buddy with an 05 lly and all he wants is a little more power but mostly mpg. Is ppe going to yield the best mpg or is there a better alternative that would be cheaper if all he wants is mpg? He tows quite a little also so I was going to suggest...