Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on February 14, 2002.
As of Wednesday, March 26th, 2025 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
GP100, GP100S88-95, CHEVY TRUCKS, SUBURBANS, VANS,BLAZER W/O AIR INJECTION, 305-350

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-411-4
  • Executive Order 411-4 / D411-4
  • ARB # D-411-4
  • Executive Order No: D-411-4
  • C.A.R.B. No. D-411-4
  • Resolution D-411-4
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-411-4 PDF

D-411-4 Document:

CARB_D-411-4

State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—411—4 Relating to Exemptions Under Section 27156 of the Vehicle Code Gibson Performance Exhaust Systems 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 Exhaust Headers, manufactured and marketed by Gibson Performance Exhaust Systems, 1270 Webb Circle, Corona, California 92879 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 General Motors, Chrysler, and Ford truck applications listed in Exhibit A. The Exhaust Headers are a shorty style header that is manufactured out of either 16 gage stainless steel or 14 gage mild steel. The headers bolt to the stock connecting pipes and retain the oxygen sensor in the original location. This Executive Order is valid provided that the installation instructions for the Exhaust Headers will not recommend tuning the vehicle to specifications different from those of the vehicle manufacturer. This Executive Order shall not apply to any Exhaust Headers advertised, offered for sale, sold with, or installed on a motor vehicle prior to or concurrent with transfer to an ultimate purchaser. Changes made to the design or operating conditions of the Exhaust 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. Exemption of the Exhaust 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 Exhaust Headers may have on any warranty either expressed or implied by the vehicle manufacturer. This Executive Order is granted based on emissions test data generated on a 1997 General Motors 5.7L C1500 and a 1997 Dodge Ram, both certified to the tier 1 emission standards and a 1999 General Motors 5.3L C1500 and a 1998 Ford Expedition, both certified to the low emission vehicle standards. Testing consisted of Cold Start CVS—75 Federal Test Procedures. Emission levels of the modified vehicles met the applicable emission standards. The following test results are in grams per mile:

1997 5.7L General Motors Full Size Truck 1998 5.4L Ford Expedition NMHC CO NOX NMOG CO NOX HCHO Standards 0.32 4.4 0.7 0.195 5.0 0.6 0.022 device w/ dfs 0.20 3.0 0.5 0.118 1.8 0.2 0.002 1997 5.9L Dodge Ram Truck . 1999 5.3L General Motors Full Size Truck NMHC CO NOX NMOG CO NOX HCHO Standards 0.32 4.4 0.7 0.160 4.4 0.4 0.018 device w/ dfs 0.13 2.6 0.5 0.094 1.5 0.3 0.002 This Executive Order is also based on On—Board Diagnostic !I (OBD I1) tests conducted on the same test vehicles. Test data showed that the headers when installed on the vehicles did not affect the vehicle‘s ability to perform its OBD II monitoring. 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 GIBSON PERFORMANCE EXHAUST SYSTEMS‘ 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 is made after the hearing that grounds for revocation exist. Executive Order D—411—3, dated August 1998, is superseded and of no further force and effect. Executed at El Monte, California, this /‘/fl day of February 2002. | Allen igons, Chief New Vehicle/Engine Programs Branch GIBSON PERFORMANCE EXHAUST SYSTEMS—EXHAUST HEADERS—D—411.—4

EXHIBIT A _GIBSON HEADER APPLICATIONS CHROME STAINLESS |YEAR APPLICATION ENGINE PART# PART # CHEVY/IGMC _ 88—95 CHEVY TRUCKS, SUBURBANS, VANS,BLAZER W/O AIR INJECTI 305—350 GP100 GP1008S 88—95 CHEVY TRUCKS, SUBURBANS, VANS W/ AIR INJECTION 305—350 GP101 GP101S 96—00 CHEVY TRUCKS, SUBURBANS, VANS, YUKON,TAKHOE 305—350 GP102 GP102S 73—87 CHEVY TRUCKS, SUBURBANS, VANS W/CARBURETOR 454 GP103 GP103S 88—95 CHEVY TRUCKS, SUBURBANS, VANS W/O AIR INJECTION 454 GP104 GP104S 88—95 CHEVY TRUCKS, SUBURBANS, VANS W/ AIR INJECTION 454 GP105 GP105S 96—00 CHEVY TRUCKS, SUBURBANS, VANS 454 GP106 GP106S 75—89 CHEVY MOTORHOMES W/O AIR INJECTION 454 GP107 GP107S 75—89 CHEVY MOTORHOMES W/ AIR INJECTION 454 GP108 GP108S 86—89 CHEVY MOTORHOMES W/ DUAL AIR PUMPS 454 GP109 GP109S 90—95 CHEVY MOTORHOMES W/FUEL INJECTION 454 GP110 GP1108S 96—00 CHEVY MOTORHOMES WITH VORTECH ENGINE 454 GP111 GP111S 96—00 CHEVY TRUCKS (NO SUBURBANS) SUBURBAN 454 GP113 GP113S 98—00 CHEVY TRUCKS (NO SUBURBANS) SUBURBAN,,DENALI 305/350 GP114 GP114S 88—95 CHEVY TRUCKS FULL SiZE W/O AIR AND 02 SENSOR 4.3L V—6 GP120 GP1208 88—95 CHEVY TRUCKS FULL SIZE W/AIR INJECTION 4.3L V—6 GP121 GP121S 88—95 CHEVY S—10/8—15 4.3L V—6 GP122 GP122S 96—97 CHEVY S—10/8S—15 4.3L V—6 GP123 GP123S 96—00 CHEVY FULLSIZE NO AIR 4.3L V—6 GP118 GP118S 96—00 CHEVY S—10 W/EGR 4.3L V—6 GP117 GP117S 00—02 CHEVY TRUCK DENALI,ESCALDALE,YUKONXL,SUBURBAN 6.0L GP119 GP119S 99—01+* CHEVY TRUCKS NO AIR YUKON,XL. TAHOE,SUBURBAN 4.8, 5.3, 6.0L GP115 GP115S 99—01* CHEVY TRUCKS W/AIR YUKON,XL, TAHOE,SUBURBAN 4.8, 5.3, 6.0L GP116 GP116S 2002* CHEVYTRUCK SILVERADO,SIERRA, AVALANCHE 5.3L,4.8L. GP129 GP129S 2001—02 CHEVY SILVERADO,SIERRA ,YUKON XL,SUBURBAN w AIR INJE 8.A1L GP 130 GP130S 2001—02 CHEVY SILVERADO, SIERRA , YUKON XL, SUBURBAN w NO AIR 8.1L GP131 GP131S DODGE/CHRYSLER 92—95 DODGE TRUCK , DAKOTA 5.2L/5.9L GP300 GP300S 96—98 DODGE TRUCK, DAKOTA,DURANGO 5.2L/5.9L GP301 GP301S 96—98 DODGE TRUCK 8.0L—V10 GP302 GP302S 94—95 DODGE TRUCK 8.0L—V10 GP303 GP303S 96—98 DODGE TRUCKS 8.oL—V10 GP304 GP304S 92—95 DODGE TRUCKS 3.9L — V6 GP305 GP305S 96—98 DODGE TRUCKS 3.9L — V6 GP306 GP306S * vehicles that are emissions certified to the Ulitra—Low Emissions Vehicle (ULEV) standards are excluded

[YEAR APPLICATION ENGINE PART# PART # FORD 87—97 FORD TRUCKS, BRONCO 302 GP200 . GP200S 86—97 FORD TRUCKS, BRONCO 351 GP201 GP201S 83—87 FORD TRUCKS 460 CARB GP202 GP202S 88—93 FORD TRUCKS 460 Fi GP203 GP203S 93—97 FORD TRUCKS 460 Fi GP204 GP204S 93—97 FORD TRUCKS 460 Fi GP209 GP209S 88—98 FORD TRUCKS 460 FI GP205 GP205S 97—01 FORD TRUCKS, EXPEDITION 5.AL GP206 GP206S 97—01 FORD TRUCKS, EXPEDITION 4.6L. GP207 GP207S 97—01 FORD TRUCKS 4.2L/6 GP214 GP214S 96—98 FORD TRUCKS 460 FI GP210 GP2108 98—00 FORD TRUCKS 10 GP211 GP211S 00—01 FORD EXCURSION 5AL GP126 GP126S 00—01 FORD EXCURSION G.8L GP125 GP125S 99—01 FORD TRUCK SUPERDUTY 5.AL GP126 GP126S 95—00 FORD CLASS A MOTORHKOMES 460 FI GP208 GP208S 86—89 FORD CLASS A MOTORKOMES 460 CARB GP209 GP209S 88—93 FORD CLASS A MOTORKOMES 460 FI GP212 GP212S 93—94 FORD CLASS A MOTORHOMES 460F1 GP213 GP213S 98—01 FORD CLASS A MOTORHKOMES 6.8L GP125 GP125S JEEP 91—95 WRANGLER 4.0L GP400 GP400S 93—99 CHEROKEE, GRAND CHEROKEE 4.0L GP400 GP400S


Document Created: 2005-09-01 12:41:54
Document Modified: 2005-09-01 12:41:54

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