Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 17, 2003.
As of Monday, April 15th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
629042001 through 2003 model-year General Motors trucks equipped with the 6.6L diesel engineThe Big Hoss Programmer is an add-on control module installed in series with the factory control module. The Big Hoss Programmer is pre-programmed by Gale Banks Engineering, with no user adjustments.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-161-71
  • Executive Order 161-71 / D161-71
  • ARB # D-161-71
  • Executive Order No: D-161-71
  • C.A.R.B. No. D-161-71
  • Resolution D-161-71
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-161-71 PDF

D-161-71 Document:

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