Approval Details

Valid E.O.


This Executive Order approved the specified parts on on August 10, 1993.
As of Sunday, July 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1991 and older Ford vehicles powered by 6.9L or 7.3L Navistar International heavy-duty diesel engine. E.O. valid for kits with turbochargers: AiResearch models: 465124-5007 w/ area ratio of 1.00, 465124-5006 w/ area ratio of 1.15Replacement of OEM exhaust system with a 3 1/2" diameter exhaust system

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-175-7
  • Executive Order 175-7 / D175-7
  • ARB # D-175-7
  • Executive Order No: D-175-7
  • C.A.R.B. No. D-175-7
  • Resolution D-175-7
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-175-7 PDF

D-175-7 Document:

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