Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on March 28, 2008.
As of Monday, October 21st, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
1548, 1550, and 15512007 and older model year catalyst equipped Harley Davidson motorcycles with an 88, 96, or 103 cubic inch engine and 2008 and older model year catalyst equipped Harley Davidson motorcycles with a 110 cubic inch engine.The Performance Baffle Kits, part numbers 1548, 1550, and 1551, are exhaust muffler baffles designed to replace the stock Harley Davidson baffles located inside the stock muffler. Installation is conducted by Cycle Shack only and does not allow any modifications to or removal of the stock catalyst located inside the stock muffler.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-636
  • Executive Order 636 / D636
  • ARB # D-636
  • Executive Order No: D-636
  • C.A.R.B. No. D-636
  • Resolution D-636
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-636 PDF

D-636 Document:



                                    State of California
                                AIR RESOURCES BOARD

                               EXECUTIVE ORDER D-636

                      Relating to Exemptions Under Section 27156
                                 of the California Vehicle Code

                               Cycle Shack, Inc./Buzz Dyer
                                 Performance Baffle Kits

Pursuant to the authority vested in the Air Resources Board by Section 271 56 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-02-003;

IT IS ORDERED AND RESOLVED: That the installation of the Performance Baffle Kit
part numbers 1548, 1550, and 1551, produced and marketed by Cycle Shack, Inc./Bu
Dyer of 1104 San Mateo Ave., South San Francisco, California 94080, has been fount
not to reduce the effectiveness of the applicable vehicle pollution control systems and
therefore, is exempt from the prohibitions of Section 271 56 of the Vehicle Code for 20
and older model year catalyst equipped Harley Davidson motorcycles with an 88, 96, I
103 cubic inch engine and 2008 and older model year catalyst equipped Harley
Davidson motorcycles with a 110 cubic inch engine.

The Performance Baffle Kits, part numbers 1548, 1550, and 1551, are exhaust muffle1
bafl'les designed to replace the stock Harley Davidson baffles located inside the stock
muffler. Installation is conducted by Cycle Shack only and does not allow any
modifications to or removal of the stock catalyst located inside the stock muffler.

This Executive Order is valid provided the installation instructions for the Performance
Baffle Kits will not recommend tuning the vehicle to specifications different from those
the vehicle manufacturer.

Changes made to the design or operating conditions of the Performance Baffle Kits, a
exempt by the Air Resources Board, which adversely affect the performance of the
vehicle's pollution control system shall invalidate this Executive Order.

This Executive Order shall not apply to any Performance Baffle Kits advertised, offere
for sale, sold with, or installed on a new motor vehicle prior to or concurrent with trans
to an ultimate purchaser.

Marketing of the Performance Baffle Kits using any identification other than that show1
in this Executive Order or marketing of the Performance Baffle Kits for an application
other than those listed in this Executive Order shall be prohibited unless prior approvs
is obtained from the Air Resources Board.

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


This Executive Order is granted based on emission test data generated on a 2007
model year 1.8L Harley Davidson Touring motorcycle modified with the Performance
Baffle Kit. Test results showed that emission levels, met the applicable err~ission
standards when tested using the Cold-Start CVS-75 Federal Test Procedure (FTP) te!
Results from emission testing conducted at Northern California Diagnostic Laboratori~
Inc., located in Napa, California, are shown below, with deterioration factors (df) applic
to CVS-75 FTP results.

                CVS-75 FTP (gramslkilometer)
                        HC+NOx CO
   Standards             1.4       12
   Device w l df         0.7       1.4

Similar effect on motorcycle emissions is expected with the installation of the
Performance ~ a f f l eKit on motorcycles listed in this Executive Order.

The Air Resources Board reserves the right in the future to review this Executive O r d ~
and the exemption provided herein to assure that the exempted add-on or modified p:
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 TI-
AIR RESOURCES BOARD OF ANY CLAIMS OF THE APPLlCAhlT CONCERNING
AN-TI-POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF CYCLE SHACK,
INC.IBUZZ DYER'S PERFORMANCE BAFFLE KITS.

No claim of any kind, such as "Approved by the Air Resources Board", may be made
with respect to the action taker1 herein in any advertising or other oral or written
conirnu~iication.

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 conk
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.

Executed at El Monte, California, this    &          day of March 2008.




                                           V
                                               Mobile Source Operations Division




     CYCLE SHACK, INC.IBUZZ DYER - PERFORMANCE BAFFLE KITS - D-636



Document Created: 2008-04-02 16:43:03
Document Modified: 2008-04-02 16:43:03

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