Approval Details

Valid E.O.


This Executive Order approved the specified parts on on July 21, 2008.
As of Wednesday, February 28th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

2003 through 2009 model year Toyota trucks equipped with a 4.0 liter engineThe TRD 1GR-FE Supercharger System includes the following main parts: an Eaton MP90 supercharger with integral intake manifold and intercooler, a 3.0 inch diameter supercharger pulley and a 6.5 inch crankshaft pulley, a by-pass valve, six replacement fuel injectors rated at 455 cubic centimeters per minute, and a reprogrammed OEM ECU. The stock airflow sensor, air cleaner housing and thermostat are retained. Boost is limited to a maximum of 7 pounds per square inch.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-425-28
  • Executive Order 425-28 / D425-28
  • ARB # D-425-28
  • Executive Order No: D-425-28
  • C.A.R.B. No. D-425-28
  • Resolution D-425-28
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-425-28 PDF

D-425-28 Document:

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