Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 15, 1998.
As of Saturday, February 24th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModificationRemarks
DJMS88951988-95 GM 5.0/5.7L truckssame as above
DJMS88951988-95 GM 5.0/5.7L trucksTAC removalThe Hi-Flow Intake System replaces the stock air filter box with a cotton gauze open element reusable air filter, intake system tubing, assorted brackets, and hardware.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-458
  • Executive Order 458 / D458
  • ARB # D-458
  • Executive Order No: D-458
  • C.A.R.B. No. D-458
  • Resolution D-458
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-458 PDF

D-458 Document:

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