Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on February 23, 1999.
As of Monday, October 21st, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
P45294161986-1991 Jeep 4.0L 6cyl

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-401-3
  • Executive Order 401-3 / D401-3
  • ARB # D-401-3
  • Executive Order No: D-401-3
  • C.A.R.B. No. D-401-3
  • Resolution D-401-3
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-401-3 PDF

D-401-3 Document:

CARB_D-401-3

(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—401—3 Relating to Exemptions Under Section 27156 of the Vehicle Code MIKE LEACH COMPANY 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 Exhaust Headers manufactured by the Mike Leach Company of 1443 W. Collins, P.O. Box 3725, Orange, California 92667 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 Chrysler trucks listedin Exhibit A, which is attached hereto and incorporated herein. Mike Leach‘s Exhaust Headers are manufactured out of 14 gage mild steel. The oxygen sensor is located either in the header‘s collector pipe or remains at the stock location in front of the catalyst. The truck headers are a long tube style headers which may require the use of a 14 gage mild steel Y pipe for installation, the Neon headers are a shorty design that uses the stock connecting pipes. This Executive Order is valid provided that 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 Mike Leach 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 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 a vehicle‘s pollution control system shall invalidate this Executive Order. Marketing of the Exhaust Headers using any identification other than that shown in this Executive Order or marketing of the Exhaust 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. 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 submitted emissions test data on a 1998 Ram 1500 truck and a 1999 Dodge Neon. Both test vehicles are certified to a low emission vehicle standard. Testing consisted of one Cold Start CVS—75 Federal Test Procedures in the modified configuration. Emissions test data showed that the vehicles in the modified configuration met their applicable emission standards. The following test results are in grams per mile with deterioration factors applied: 1998 Ram NMOG CO NOX HCHO Standard 0.16 4.4 0.4 0.018 Device 0.12 2.2 0.2 0.003 1999 Neon NMOG CO NOX HCHO Standard —_0.075 3.4 0.2 0.015 Device 0.070 0.6 0.1 0.001

MIKE LEACH COMPANY | C EXECUTIVE ORDER D—401—3 EXHAUST HEADERS (Page 2 of 2) This Executive Order is also based on On Board Diagnostic II (OBD II) testing conducted on the same 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 CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF MIKE LEACH COMPANY‘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 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—401—2, dated October 1998, is superseded and of no further force and effect. Executed at El Monte, California, this 22 day of February 1999. $ Summerfield Chief Mobile Source Operations Division

ExhibitA PART # DESCRIPTION ~~34529416 86—91 4.0L 6 JEEP ~ P4876251 97 DAKOTA V—8 4WD/AUTO P4876252 97DAKOTA V—8 2WD/MANUAL P4876258 97 DAKOTA V—8 2WD/AUTO PA876259 96—99 V—8 B—VAN P4876260 97—99 JEEP WRANGLER TJ 4.0L 6CYL P4876566 97 DAKOTA V—8 4WD/MANUAL P4876680 94—95 V—8 RAM 2WD 5 SPEED P4876681 94—95 V—8 RAM 4WD 5 SPEED P4876682 96—99 V—8 RAM 4WD 5 SPEED PA876773 98/99 GRAND CHEROKEE 5.9L V8 P4876815 98/99 DURANGO P4876901 98/99 DAKOTA 360 P4876918 86—91 4.0L JEEP P5007091 98/99 2WD DURANGO P5249531 93—95 V—8 GRAND CHEROKEE P5249763 94/95 V—10 RAM 2WD & 4WD PS5249960 96 DAKOTA 2WD/AUTO V—8 P5249961 96 DAKOTA 2WD/MANUAL V—8 P5249962 96 DAKOTA 4WD V—8 P5249963 96—99 RAM 2WD/AUTO V—8 P5249964 96—99 RAM 2WD / MANUAL V—8 *15249965 96—99 RAM 4WD/AUTO V—8 P5249966 96—99 RAM V—10 CALIFORNIA ONLY P5249967 96—99 RAM V—10 FEDERAL P5249968 96 DAKOTA 2WD 4 CYL P5249969 96 DAKOTA 2WD V—6 P5249970 96—98 GRAND CHEORKEE 5.2/5.9L V—8 P5249971 96—99 JEEP CHEROKEE 6 CYL P5249972 95—99 JEEP WRANGLER YJ 6 CYL P5249856 95—99 NEON SOHC P5249973] 95—99 NEON DOHC

Exhibit A CONT. __ PART# DESCRIPTION 529416 86—91 4.0L 6 JEEP 4876251 97 DAKOTA V—8 4WD/AUTO 4876252 97DAKOTA V—8 2WD/MANUAL 4876258 97 DAKOTA V—8 2WD/AUTO 4876259 96—99 V—8 B—VAN 4876260 97—99 JEEP WRANGLER TJ 4.0L 6CYL 4876566 97 DAKOTA V—8 4WD/MANUAL 4876680 94—95 V—8 RAM 2WD 5 SPEED 4876681 94—95 V—8 RAM 4WD 5 SPEED 4876682 96—99 V—8 RAM 4WD 5 SPEED 4876773 98/99 GRAND CHEROKEE 5.91 V8 4876815 98/99 DURANGO 4876901 98/99 DAKOTA 360 4876918 86—91 4.0L JEEP 5007091 98/99 2WD DURANGO 5249531 93—95 V—8 GRAND CHEROKEE 5249763 94/95 V—10 RAM 2WD & 4WD 5249960 96 DAKOTA 2WD/AUTO V—8 5249961 96 DAKOTA 2WD/MANUAL V—8 5249962 96 DAKOTA 4WD V—8 5249963 96—99 RAM 2WD/AUTO V—8 __5249964 96—99 RAM 2WD / MANUAL V—8 249965 96—99 RAM 4WD/AUTO V—8 5249966 96—99 RAM V—10 CALIFORNIA ONLY 5249967 96—99 RAM V—10 FEDERAL 5249968 96 DAKOTA 2WD 4 CYL 5249969 96 DAKOTA 2WD V—6 5249970 96—98 GRAND CHEORKEE 5.2/5.9L V—8 5249971 96—99 JEEP CHEROKEE 6 CYL 5249972 95—99 JEEP WRANGLER YJ 6 CYL 5249856 95—99 NEON SOHC 5249973 95—99 NEON DOHC


Document Created: 2005-09-01 12:41:47
Document Modified: 2005-09-01 12:41:47

Previous E.O. D-401-2 | Previous E.O. D-400 | Next E.O. D-401-4 | Next E.O. D-402