Approval Details

Valid E.O.


This Executive Order approved the specified parts on on November 5, 1998.
As of Tuesday, April 23rd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
M-9430-D462 & M-9430-D4631996 and 1997 Ford Mustang GT, equipped with the 4.6L engineShorty header design, manufactured from a 0.055 inch 409 stainless with a primary tube diameter of 1.625 inches. Stock connecting pipes are retained

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-308-9
  • Executive Order 308-9 / D308-9
  • ARB # D-308-9
  • Executive Order No: D-308-9
  • C.A.R.B. No. D-308-9
  • Resolution D-308-9
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-308-9 PDF

D-308-9 Document:

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