Approval Details

Valid E.O.


This Executive Order approved the specified parts on on August 16, 2010.
As of Sunday, July 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

2011 model year 5.0L Mustang with engine test group BFMXV05.4VEK, as listed in Exhibit A of EOThe Whipple Supercharger kit, WK-2000 Series, consists of the following main components: Twin Screw Whipple supercharger using a 3.0 to 4.125 inch diameter pulley, intercooler, intake manifold, bypass valve, reflashed ECM, dual port throttlebody, new fuel injectors, modified air cleaner lid with stock hydrocarbon adsorber, and an air cleaner housing bottom. The breather hose may be replaced with an SAE30R9 rated hose. Boost is limited to a maximum of 12 psi. The stock crankshaft pulley, mass air flow sensor element, fuel pump, and radiator thermostat are retained during installation.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-231-34
  • Executive Order 231-34 / D231-34
  • ARB # D-231-34
  • Executive Order No: D-231-34
  • C.A.R.B. No. D-231-34
  • Resolution D-231-34
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-231-34 PDF

D-231-34 Document:

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