Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on October 22, 1997.
As of Tuesday, June 18th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
100, 100S1988-1995 GM Chevy trucks, suburbans, vans w/o air injection 5.0L to 5.7L

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-411-2
  • Executive Order 411-2 / D411-2
  • ARB # D-411-2
  • Executive Order No: D-411-2
  • C.A.R.B. No. D-411-2
  • Resolution D-411-2
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-411-2 PDF

D-411-2 Document:



                                                        State of California
                                                   AIR RESOURCES BOARD

                                                EXECUTIVE ORDER D—411—2
                                          Relating to Exemptions Under Section 27156
  $                                                    of the Vehicle Code

                                                  GIBSON PERFORMANCE
                                              Gibson Performance 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 Sections 39515 and 39516 of the Health and Safety Code
       and Executive Order G—45—9;

         IT IS ORDERED AND RESOLVED: That the installation of the Gibson Performance Exhaust Headers
—————manufacturedbyGibsonPerformance3780ProspectAvenue,orbaLinda,California92686,hasbeen—————————
         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 those applicable General Motors trucks equipped
       with either a 5.0, 5.7, or 7.4 liter engine as listed in Exhibit A of this Executive Order.

       The Gibson Performance Headers are a shorty style header that is manufacturered out of either 16 gage stainless
       steel or 14 gage mild steel. Connecting pipes are used on the big block applications and use the same type of
       material as the accompanying headers

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

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

       Marketing of this device using any identification other than that shown in this Executive Order or marketing of
       this device for an application other than those listed in this Executive Order shall be prohibited unless prior
       approval is obtained from the Air Resources Board.

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

       THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION,
       APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF
       CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED
       BENEFITS OF GIBSON PERFORMANCE‘S 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 ten days 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 will 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.

       Executed at El Monte, California, this 27 day of October 1997.




                                                                              R. B. Summerfield, Chief
                                                                              Mobile Source Operations Division


                                                     Exhibit A


                                              Mild Steel_Applications


     Application                                                           Engine      Part

     ‘8B8 — ‘95        Chevy Trucks, Suburbans, Vans w/o air injection     305 — 350   100

     ‘B8 — ‘95         Chevy Trucks, Suburbans, Vans w air injection       305 — 350   101

ffffffffff©96‘97——ChevyTrucks,Suburbans,———————————305~350—————102———————
     ‘73 — ‘87         Chevy Trucks, Suburbans, Vans w/ carburetor         454         103

     ‘88 — ‘95         Chevy Trucks, Suburbans, Vans w/o air injection     454         104

     ‘88 — ‘95         Chavy Trucks, Suburbans, Vans w/ air injection      454         105

     ‘96 — ‘97         Chevy Trucks, Suburbans, Vans                       454         106

     ‘75 —‘B9          Chevy Motorhomes w/o air injection          .       454         107

 (   ‘75 —‘B89         Chevy Motorhomes w/air injection                    454         108

     ‘86 — ‘89         Chevy Motorhomes w/ dual air pumps                  454         109

     ‘90 — ‘95         Chevy Motorhomes w/ fuel injection                  454         110

     ‘96 — ‘97         Chevy Motorhomes w/ Vortech engine                  454         111




                                            Stainless Steel Applications



     Application            |                                              Engine      Part

     ‘88 —‘95      _   > Chevy Trucks, Suburbans, Vans w/o air injection   305 — 350   100 S

     ‘88 — ‘95          Chevy Trucks, Suburbans, Vans w air injection      305 — 350   101 S

     ‘96 — ‘97          Chevy Trucks, Suburbans, Vans                      305 — 350   102 S

     ‘73 —‘87           Chevy Trucks, Suburbans, Vans w/ carburetor        454         103 S

     ‘88 — ‘95          Chevy Trucks, Suburbans, Vans wio air injection    454         104 S


                                         Exhibit A continued




                                Stainless Stee! Applications continued



     ‘88 — ‘95    Chevy Trucks, Suburbaps, Vané w! air injection         454             105 S

     ‘96 — ‘97    Chevy Trucks, Suburbans, Vans                          454             106 S

———T5—©89———ChevyMotorhomes—wioinjection—————————,454;,,_,,,,7,,,,,,,,,,,,,491&,,,,,,,,,,,,,,,,,,,,,,,,,,,

     ‘75 — ‘89    Chevy Motorhomes w/air injection                       454             108 S —

     ‘B6 — ‘89    Chevy Motorhomes w/ dual air pumps                     454              109 S

     ‘90 — ‘95    Chevy Motorhomes w/ fuel injection                     454              110 S

     ‘96 — ‘97     Chevy Motorhomes w/ Vortech engine                    454              111 S



Document Created: 2005-09-01 12:45:11
Document Modified: 2005-09-01 12:45:11

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