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  1. Z

    LB7: 2003 Lb7 New And Need Help!

    Ah i see! Il be sure to check that out. Thanks!
  2. Z

    LB7: 2003 Lb7 New And Need Help!

    I think i will probably go with the 5 inch, just so i dont have regrets later on. The thing is the biggest down pipe i can find is mbrp 3inch. Anything else out there for lb7?
  3. Z

    LB7: 2003 Lb7 New And Need Help!

    I heard about that..is there a diy instruction thing for how to do it somewhere?
  4. Z

    LB7: 2003 Lb7 New And Need Help!

    I figured doing something a little cheaper to hold me over for awhile might be nice, especially considering having to cut work hours for school. I like loud exhausts and a 4inch would be nice but for the price im gonna pay, they are only about 30 dollars off of each other. I just dont want to...
  5. Z

    LB7: 2003 Lb7 New And Need Help!

    Thats what i was thinking but 4" or 5" is the question...
  6. Z

    LB7: 2003 Lb7 New And Need Help!

    Hello I'm relatively new to this form and I've always loved The Duramax. I finally got some funds together and recently got a 2003 Lb7. Its pretty high in mileage but i got it incredibly cheap and well maintained. I've started to mod it a little bit but im stuck and dont know what to do next. I...
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