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  1. O

    i just bought cats for my h pipe that has no cats where do i install the cats ?

    do i install them before the o2 censors ?all advice on this will be great .i have to pass emissions asap ...
  2. O

    evap system not ready and catalyst not ready

    i have no check engine light on but i am failing inspection because the evap an catalyst is not ready .i just put on the mil eliminators from american muscle an drove 130 miles , before i went driving 130 miles there were three codes . i went back to my friend shop an he plug in the computer...
  3. O

    i need inspection 2003 gt no cats and no check engine light ,i have a hand tunner ...

    2003 mustang gt no cats an no check engine codes , i have a hand held tunner .i read with the tunner it should trick the commputer is this true an how do you do this? it keeps failing for the cats
  4. O

    i need some advice on a good tunner , i have vortech supercharger with front interool

    i have 2003 mustang gt front mount intercooled with vortech superchager and tial blow off valve .i got the car tunned by a shop that doesnt deal with alot of mustangs so i wasnt happy with the tune .i am losing 3 pounds of boost because im running a front mount intercooler .what boost pully...
  5. O

    i just installed vortech super charger , i want to install a intercooler

    hey guys i just installed a vortech supercharger and got the computer flash from vortech ,my check engine light came on reason is bank one is lean any reason ? or should i just have a dyno tuned? any specific places ? I would also like to install a front mount intercooler and a blow off valve...