Approval Details

Valid E.O.


This Executive Order approved the specified parts on on March 19, 2008.
As of Sunday, July 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
See PDF2008 model year and older on road motorcycles originally equipped with an oxygen sensor, as listed in Exhibit A of Executive Order. See PDFThe Fi2000R-ARB is an electronic control box designed to increase fuel into the combustion chamber during high load conditions. It uses the existing oxygen sensor(s) to monitor air/fuel mixtures and increases fuel injector pulse when the oxygen sensor readings show lean conditions. The Fi2000R-ARB is installed electrically in series to the oxygen sensor and the fuel injector wiring harness. No wires are cut during installation and factory style connectors are pre-installed on the wiring harness of the Fi2000R-ARB. The Fi2000R-ARB has no user adjustments and is not designed to allow a user to download or modify the programming.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-633
  • Executive Order 633 / D633
  • ARB # D-633
  • Executive Order No: D-633
  • C.A.R.B. No. D-633
  • Resolution D-633
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-633 PDF

D-633 Document:

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