Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on February 11, 2008.
As of Tuesday, November 12th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

ModelsRemarks
1996 through 2008 Ford vehiclesThe Whipple Supercharger kit, part number WIK-4.6L-3V-IC and WIK-4.6L-3V, consists of the following main components: 2.3L Twin Screw Whipple supercharger using a 3.125 to 4.0 inch diameter pulley, intercooler, intake manifold, bypass valve, 160 degree thermostat to replace the stock thermostat, fuel pump, reflashed ECM, mass air flow sensor, a set of high flow injectors, and an open element air filter on 2005 model year Mustangs built after April 30, 2005 and 2006 model year Mustangs only. The stock air cleaner housing with the hydrocarbon adsorber on 2005 model year Mustangs built on or before April 30, 2005, and 2007 and 2008 model year Mustangs is retained but modified with a new air cleaner housing bottom, a new high flow filter and an air cleaner housing lid modified to accept the mass air flow (MAF) extension. The breather hose may be replaced with an SAE30R9 rated hose. Boost is limited to a maximum of 13 psi. The stock crankshaft pulley and throttle body are retained during installation. The Whipple Charger kit, for other Ford vehicles, consists of the following main components: Twin Screw Whipple supercharger, intake manifold, bypass valve, 160 degree thermostat to replace the stock thermostat, new air cleaner housing with a high-flow element, fuel pump, reflashed ECM, mass air flow sensor, and a set of high flow injectors. Some kits may include an intercooler. The breather hose may be replaced with an SAE30R9 rated hose.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-231-27
  • Executive Order 231-27 / D231-27
  • ARB # D-231-27
  • Executive Order No: D-231-27
  • C.A.R.B. No. D-231-27
  • Resolution D-231-27
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-231-27 PDF

D-231-27 Document:


Current View

Previous E.O. D-231-26 | Previous E.O. D-230 | Next E.O. D-231-28 | Next E.O. D-232