Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 15, 2002.
As of Wednesday, November 29th, 2023 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
170621987-1990 Jeep Wrangler, 4.2LThe Exhaust Header System is a long tube design header and connecting pipe, manufactured out of 17 gage stainless steel tubing. The location of the oxygen sensor is at the collector of the header.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-276-11
  • Executive Order 276-11 / D276-11
  • ARB # D-276-11
  • Executive Order No: D-276-11
  • C.A.R.B. No. D-276-11
  • Resolution D-276-11
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-276-11 PDF

D-276-11 Document:

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