Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 2, 1998.
As of Sunday, May 19th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
11.1500, 27.0007, 51.3003, 61.301991-98 NSX, 1994-98 Integra, 1996-98 CL, 1993-98 Accord, 1992-98 Civic EX, and 1992-98 Prelude. The following close coupled catalyst engine families are excluded from this Executive Order: 1996 model-year, THN1.6VJG2EK, THN1.6VJG3EK, THN1.6VJGKGK, THN2.2VJG2EK, THN2.5VJGKEK, 1997 model-year, VHN1.6VJG2EK, VHN1.6VJG3EK, VHN1.6VJGKGK, VHN2.2VJG2EK, VHN2.5VJGKEK, 1998 model-year, WHNXV01.6CA3, WHNXV01.6JL2, WHNXV01.6KA4, and WHNXV02.5GA1.The Performance Header System is a long tube style header manufactured out of 16 gage stainless steel tubing. The location of the oxygen sensor is at the collector, similar to the stock configuration. On vehicles were the existing oxygen sensor wire loom does not reach the new oxygen sensor location, Comptech will provide a wire loom extension that will plug into the factory connector.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-455
  • Executive Order 455 / D455
  • ARB # D-455
  • Executive Order No: D-455
  • C.A.R.B. No. D-455
  • Resolution D-455
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-455 PDF

D-455 Document:

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