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  1. Simpson3344

    May be a dumb question

    This may be a dumb question, but I always wondered the purpose of these little compartments, any answers ?
  2. Simpson3344

    NASCAR exhaust

    I was thinking about buying some nascar boom tubes and fabricating side exits up on my 2 dr Tahoe, any opinions?
  3. Simpson3344

    Emission question

    You are correct sir.
  4. Simpson3344

    Emission question

    where I live at all they do is check for codes from the OBD port.
  5. Simpson3344

    Emission question

    Where I live at, no there is no visual inspection.
  6. Simpson3344

    Emission question

    I got a 1996 2dr Tahoe, previous owner put short tube headers and duals with glass packs, got rid of the cats. My question is if I was still able to pass emissions, i only have a check engine light for the back o2 sensors which I’m going to replace but i don’t know if I should run a fouler or...
  7. Simpson3344

    TPS issues

    I’m completely stuck, I have a 96 vortec . I kept getting the code for tps low voltage and it wasn’t reading all the time and the truck will stutter or almost buck when trying to take off. (I’ve checked fuel pressure and it has new injectors) So I bought a new sensor, kept doing the exact same...
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