Approval Details

Valid E.O.


This Executive Order approved the specified parts on on June 10, 2004.
As of Monday, July 22nd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
629562001 through 2003 model-year General Motors pick-up trucks equipped with the 6.6L diesel engine.The Six Gun Diesel Tuner consists of an add-on electronic module with 6 user adjustment levels and an optional turbo actuator. Speed-Loader option not covered by this exemption.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-161-74
  • Executive Order 161-74 / D161-74
  • ARB # D-161-74
  • Executive Order No: D-161-74
  • C.A.R.B. No. D-161-74
  • Resolution D-161-74
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-161-74 PDF

D-161-74 Document:

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