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  1. is my exhaust system stock?

    04.5-05 LLY Performance Parts Discussion
    I bought my truck from the previous owner without much information. i am fairly new to the diesel world. it is a 2005 lly. it has an aftermarket pmt diesel exhaust tip but i was wonderin if the whole system is aftermarket. how can i find this out? need to know because i am looking into efi live
  2. Your tranny just bit the big one!

    01-04.5 LB7 Duramax Powertrain
    So I have a feeling that my tranny is about to take a dirt nap. Which isn't that cool but it has been throwing some p0700 p0840 p0746 codes and its done that twice as of late. It started leaking fluid, i got that to stop now i can smell tranny fluid when i get out of the truck. Hasnt thrown any...
  3. Now What? Opinions Please!!

    My truck is an '03 GMC 1500HD (Not a diesel, obviously). Any exterior opinions on what I could add? No lifts or no wheels or anything like that. Thinking about adding some cab lights? What do you guys think? Uploaded with Uploaded with