Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on June 30, 2015.
As of Friday, October 18th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
See PDFSee PDF

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-721-2
  • Executive Order 721-2 / D721-2
  • ARB # D-721-2
  • Executive Order No: D-721-2
  • C.A.R.B. No. D-721-2
  • Resolution D-721-2
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-721-2 PDF

D-721-2 Document:



                                 State of California
                             AIR RESOURCES BOARD

                            EXECUTIVE ORDER D—721—2

                     Relating to Exemptions Under Section 27156
                                of the California Vehicle Code

                                   Sinister Diesel
                         Exhaust Header, P/N SD—HDRS—6.0


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—14—012;

IT IS ORDERED AND RESOLVED: That the installation of the Exhaust Header,
manufactured and marketed by Sinister Diesel, 2025 Opportunity Drive, Roseville,
California 95678 has been foundnot to reduce the effectiveness of the applicable
vehicle pollution control systems and, therefore, is exempt from the prohibitions of
Section 27156 of the Vehicle Code for 2003 through 2007 model year Ford trucks
(includes SUVs) equipped with a 6.0L diesel engine.

The Exhaust Header is a set of direct fit shorty exhaust headers made out of 16
gauge stainless steel. Headers also come in a heat wrapped version. No
modifications are required for proper installation, uses factory exhaust Y—pipe.

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

Changes made to the design or operating conditions of the Exhaust Header 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 Exhaust Header using any identification other than that shown in this
Executive Order or marketing of the Exhaust Header 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 Header may have on any warranty either expressed or implied by the vehicle
manufacturer.


                                          .3

This Executive Order is granted based on submitted emission test data generated on
a 2006 model year Ford F—250 truck, equipped with a 6.0L diesel engine. Test
results showed that emission levels, with Exhaust Header installed, were within the
10 percent limit of the baseline when tested using the Cold—Start CVS—75 Federal
Test Procedure. Examination of the OBD II system showed the Exhaust Header did
not affect OBD II system operation. Results from emission testing conducted at
Automotive Testing and Development Services, Inc., located in Ontario, California are
listed below.
                                    CVS—75 FTP
                                 HC        CO      NOx          PM
Stock, 3 test average            0.15      2.0     26           0.183
Modified, 3 test average         0.14       17     1.8          0.196

The Air Resources Board reserves the right in the future to review this Executive
Order and the exemption provided herein to assure that the exempted add—on or
modified part continues to meet the standards and procedures of Title 13, California
Code of Regulations, Section 2222, et seq.

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
THE EXHAUST HEADER.

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.
                                       r7
Executed at El Monte, California, this day of June 2015.




        @
                   f1 @é
        nnette Hebert, Chief
        l/      Emissions Compliance, Automotive Regulations and Science Division




                 SINISTER DIESEL — EXHAUST HEADER — D—721—2



Document Created: 2015-08-17 17:02:44
Document Modified: 2015-08-17 17:02:44

Previous E.O. D-721-1 | Previous E.O. D-720 | Next E.O. D-721-3 | Next E.O. D-722