Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 29, 2009.
As of Friday, June 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1996 to 2006 model year Jeep 4.0L vehicles.The Trailjammer Performance Kit include add-on control module, air intake tube, open element filter, and a new throttle body. The control module is located in the engine compartment and is connected to the air intake temperature sensor and the MAP sensor. The stock intake air temperature sensor, throttle position sensor, and MAP sensor are all transferred to either the new intake air tubing or the throttle body in a stock location. There are no user adjustments on any component of this kit.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-541-5
  • Executive Order 541-5 / D541-5
  • ARB # D-541-5
  • Executive Order No: D-541-5
  • C.A.R.B. No. D-541-5
  • Resolution D-541-5
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-541-5 PDF

D-541-5 Document:

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