Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on May 9, 2008.
As of Friday, April 26th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

ModelsRemarks
1996 through 2008 GM trucks and motorhomes w/ a V8 engine.The TorqueTubes are shorty style header on pickups, manufactured out of 16 gauge stainless steel tubing. The oxygen sensor is retained in the stock location and at a collector. Motorhome applications the headers are a long tube, and may include a connecting Y-pipe that is also manufactured out of 16 gauge stainless steel tubing. The oxygen sensor is in the connecting Y-pipe at a collector, similar to stock for motorhome applications.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-161-79
  • Executive Order 161-79 / D161-79
  • ARB # D-161-79
  • Executive Order No: D-161-79
  • C.A.R.B. No. D-161-79
  • Resolution D-161-79
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-161-79 PDF

D-161-79 Document:

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