Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 13, 2012.
As of Friday, March 1st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

All 2012 model year and older chain driven motorcyclesTap into intake manifold port/bung or vacuum line to access source of engine or manifold vacuumContact manufacturer for specific vehicle application.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-674-2
  • Executive Order 674-2 / D674-2
  • ARB # D-674-2
  • Executive Order No: D-674-2
  • C.A.R.B. No. D-674-2
  • Resolution D-674-2
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-674-2 PDF

D-674-2 Document:

Current View

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