Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on December 7, 1999.
As of Monday, July 22nd, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
E5086921986-93 5.0L Mustang

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-241-4
  • Executive Order 241-4 / D241-4
  • ARB # D-241-4
  • Executive Order No: D-241-4
  • C.A.R.B. No. D-241-4
  • Resolution D-241-4
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-241-4 PDF

D-241-4 Document:



                                                                                    (Page 1 of 2)


                                               State of California
                                          AIR RESOURCES BOARD


                                         EXECUTIVE ORDER D—241—4
                                  Relating to Exemptions Under Section 27156
                                               of the Vehicle Code


                                            MAC PRODUCTS            -
                                 SHORTIE AND STUBBIE EXHAUST HEADERS


Pursuant to the authority vested in the Air Resources Board by Section 27156 of the Vehicle Code; and

Pursuant to the authority vested in the undersigned by Section 39515 and Section 39516 of the Health and
Safety Code and Executive Order G—45—9;

IT IS ORDERED AND RESOLVED: That the installation of the Shortie and Stubbie Exhaust Headers,
manufactured out of 16 gage steel and marketed by MAC Products, 43214 Black Deer Loop, Unit #113,
Temecula, California 92590—3473 has been found not to reduce the effectiveness of the applicable vehicle
pollution control system and, therefore, is exempt from the prohibitions of Section 27156 of the Vehicle
Code for the following Ford vehicle applications equipped with either the 5.0 or 5.8 liter engine:

Part No.             Tube Size       Vehicle Application                       Classification

E508692               1 5/8"         1986—93 Mustang                           Shortie
E668692               1 4A"          1986—92 Lincoln Mark VII
                                     1985—86 Mercury Capri

9028690               1 578"         1986—93 Mustang                           Stubbie
5028692               1 A"           1986—92 Lincoln Mark VII
                                     1985—86 Mercury Capri

903091                1 4A"          1990—93 Thunderbird and Cougar            Shortie

9358690               1 578"         1985—93 Trucks                      Stubbie
8358690               1 578          1985—93 Trucks, black coated header

E907292               1 578"         1986—93 Mustang                           Shortie
(using aftermarket cyl. heads)       1986—92 Lincoln Mark VII
                                     1985—86 Mercury Capri

E500940               1 5/8"         1994—95 Mustang                           Shortie
902940                               1994—95 Mustang                           Stubbie

This Executive Order shall not apply to any MAC Products Shortie and Stubbie Exhaust Headers
advertised, offered for sale, or sold with or installed on, a motor vehicle prior to or concurrent with transfer
to an ultimate purchaser.

This Executive Order is valid provided that the installation instructions for the headers will not recommend
tuning the vehicle to specifications different from those of the vehicle manufacturer.


MAC Products                                                       EXECUTIVE ORDER D—241—4
Shortie and Stubbie Exhaust Headers                                               (Page 2 of 2)



Changes made to the design or operating conditions of the headers, as exempt by the Air Resources
Board, which adversely affect the performance of the vehicle‘s pollution control system shall invalidate this
Executive Order.

Marketing of the headers using any identification other than that shown in this Executive Order or marketing
of the headers for an application other than those listed in this Executive Order shall be prohibited unless
prior approval is obtained from the Air Resources Board. Exemption of the headers shall not be construed
as exemption to sell, offer for sale, or advertise any component of the kit as an individual device.

This Executive Order does not constitute any opinion as to the effect the use of the headers may have on
any warranty either expressed or implied by the vehicle manufacturer.

This Executive Order is granted based on previously submitted emissions test data. Results showed that
the exhaust header when installed on the vehiclie did not cause an adverse affect on tailpipe emissions.

THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION,
APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF ANY
CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED
BENEFITS OF MAC PRODUCTS‘ SHORTIE AND STUBBIE EXHAUST HEADERS.

No claim of any kind, such as "Approved by the Air Resources Board", may be made with respect to the
action taken herein in any advertising or other oral or written communication.

Violation of any of the above conditions shall be grounds for revocation of this order. The order may be
revoked only after a ten—day written notice of intention to revoke the order, in which period the holder of the
order may request in writing a hearing to contest the proposed revocation. If a hearing is requested, it shall
be held within ten days of receipt of the request and the order may not be revoked until a determination _
after hearing that grounds for revocation exist.

Executive Order D—241—3, dated July 1992, is superseded and of no further force and effect.

Executed at El Monte, California, this     :Z   day of December 1999.




                                         KB
                                          Summerfleld
                                                 Ch|ef
                                          Mobile Source Operations Division



Document Created: 2005-09-01 12:43:00
Document Modified: 2005-09-01 12:43:00

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