Approval Details

Valid E.O.


This Executive Order approved the specified parts on on April 26, 2013.
As of Wednesday, October 16th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
see pdfsee pdfsee pdf

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-488-25
  • Executive Order 488-25 / D488-25
  • ARB # D-488-25
  • Executive Order No: D-488-25
  • C.A.R.B. No. D-488-25
  • Resolution D-488-25
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-488-25 PDF

D-488-25 Document:

                                       State of California           .
                                    AIR RESOURCES BOARD          _

                               EXECUTIVE ORDER D488—25

                        Relatrng to Exemptrons Under Section 27156
                                     of the Vehicle Code

                                _    Magnuson Proddcts Inc.                e                N_
                           Radix Intercooled Supercharger Kit                  |

 'Pursuant to the authorrty vested in the Air Resources Board
                                                            by Sectron 27156 of the
 Vehicle Code and                                -

  Pursuant to the authority vested in the undersrgned by Sectlon 39515 and Section
 39518 of the Health and Safety Code and Executive Order G—02—003;

  IT IS ORDERED AND RESOLVED: That the installation of the Radix Intercooled
. SuperchargerKit manufactured and marketed by Magnuson Products Inc. of 1990 Knoll
  Drive, Ventura, CA 93003 has been found not to reduce the effectiveness of required
 motor vehiclepollution control devices and, therefore, is exempt from the prohibitions of
 Section 27156 of the California Vehicle Code for the General Motors Corporatron
 vehicle appllcatrons listed in Exhibit A.

  The Rad.IX Intercooled Supercharger Kit includes the following main components:
  supercharger compressor and intake manifold plenum, larger fuel injectors, new drop—in
  air filter and intake tube assembly, air to water intercooler, and new fuel and timing map
. calibrations. The throttle body is moved to the supercharger inlet. All othér emission—
  related components are in the stock location relative to the throttle body. The
  supercharger pulley diameters vary between 3.3" and 4.1." All crankshaft pulleysare
  stock and maxrmum boost is Ilmlted to 7 psr

 This Executive Order shall not apply to any Radix Intercooled Supereharger Kit
 advertised, offered for sale, sold with, or installed on a new motor vehicle pr|or to or
 concurrent with transfer to an ultlmate purchaser

 This Executive Order is valid prowded that the installation instructioné for the Radix
 Intercooled Supercharger Kit 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 device, as exempted by the
 Air Resources Board, that 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 pnor approval is obtained from the Air >
Resources Board.

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

This Executive Order is granted based on previously submitted emissions and OBD 11
test data that was generated in support of Executive Order D—488—19. Emission levels >
of the modified vehicle met the applicable emissionstandards, and an examination of
the OBD II system showed the supercharger kit did not affect OBD !I system operation.

In addition, 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.


No claims of any kind, such as "Approved by the Air Resources Board" may be made
with respect to the action taken herein in any advert|smg or other oral or written

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.

Executed at El Monte, Callfornla this Qéday of April 2013.

                                  .      Erik White, Chief
                                      %Bbile Source Operations Division


                                               Exhibit A
                                            (EO # D—488—25)
                                                                    Engine       —.   _     «0   _   Pulley?
   Year          Make                      Model        ___   ~._   Size (L);   Kit Part Number Size (in)

2007 — 2013      GMC                    Canyon 2wd ~                      s3    [OLisSbodsLBL]       ;,
LEV2ULEV         GMC                   ~ Canyon Awd. :                          61—i9—e0—031—cH}|      _9
                 GMC               Canyon Crew 2wd
                 GMC >             Canyon ‘Crew 4wd
               Chevrolet _          . Colorado 2wd
               Chevrolet           ~~ Colorado 4wd
               Chevrolet          Colorado Crew 2wd
               Chevrolet          Colgrado Crew 4wd

2007 — 2013      GMC                   C15 Sierra 2wd                     4.8
LEV2/ULEV      Chevrolet           C15 Silverado 2wd
                 GMC                ‘K15 Sierra 4wd   .
               Chevrolet         ~ K185 Silverado 4wd
                 GMC                   C15 Sigrra 2wd
               Chevrolet          ‘C15 Silverado 2wd
                 GMC                K15 Sierra 4wd
               Chevrolet         ~_K15 Silverado 4wd


2007 — 2013    Chevrolet           ©1500 Tahoe2wd —           —           5.3
LEV2/ULEV        GMC               ©1500 Yukon 2wd                    |
              ©Chevrolet           K1500 Tahoe 4wd.
                 cCc               K1500. Yukon 4wd .
                 GMC                C15 Sierra 2wd °—
               Chevrolet           C15 Silverado 2wd
                 GMC                K15 Sierra 4wd
               Chevrolet           K15 Silverado 4wd
                 GMC              C15 Sierra 2wd XFE
               Chevrolet         C15 Silverado 2wd XFE
               Chevrolet       61500 Express 2wd Cargo
               Chevrolet         61500 Express 2wd Pass
              — Chevrolet    G1500 Express Conv 2wd Cargo
                  GMC            61500 Savana 2wd Cargo
                  GMC            G1500 Savana 2wd Pass
                  GMC         G1500 Savana Conv 2wd Cargo
               Chevrolet °      H1500 Express AWD Cargo
               Chevrolet        H1500 Express AWD Pass
               Chevrolet     H1500 Express Conv AWD Cargo
                 GMC           H1500 Savana AWD Cargo _
                 GMC            H1500 Savana AWD Pass
                 GMC         H1500 Savana Conv AWD Cargo
               Chevrolet         ©1500 Avalanche 2wd
               Chevrolet          ©1500 Suburban 2wd
                 GMC              C1500 Yukon XL 2wd
               Chevrolet |       ©1500 Avalanche 4wd
               Chevrolet         C1500 Suburban 4wd
                 GMC             C©1500 Yukon XL 4wd
                 GMC                C15 Sierra 2wd
               Chevrolet          C15 Silverado 2wd
                 GMC >              K15 Sierra 4wd
               Chevrolet          K15 Sitverado 4wd

                                                                 Engine                      Pulley
   Year           Make            .         Model                Size (L)   Kit Part Number Size (in)

2007 — 2013       GMC               C1500 Yukon 2wd                6.2                         3.3
LEV2/ULEV         GMC            K1500 Yukon Denali AWD                                         *
                  GMC                 C15 Sierra 2wd                                           3.3
                  GMC                 C15 Sierra 4wd                                            *
                  GMC                C15 Sierra AWD                                            3.3
                 Cadillac              Escalade 2wd                                             *
                 Cadillac              Escalade 4wd                                            3.3
                Chevrolet           C15 Silverado 2wd                                           *
                Chevrolet           K15 Silverado 4wd                                          3.3
                  GMC              C1500 Yukon XL 2wd                                           *
                  GMC              C1500 Yukon XL 4wd                                          3.3
                Cadillac              Escalade ESV 2wd                                           ©
                 Cadillac           Escalade ESV 4wd
                 Cadiliac          Escalade EXT AWD
                Chevrolet         C1500 Avalanche 2wd
                Chevrolet         C1500 Suburban 2wd
                Chevrolet         C©1500 Avalanche 4wd
                Chevrolet         C1500 Suburban 4wd

2007 —2013      Chevrolet         CK20 Silverado 2500HD            6.0
   ULEV           GMC              CK20 Sierra 2500HD .
                Chevrolet       . CK30 Silverado 3500HD
                  GMC              CK30 Sierra 3500HD
                Chevrolet   CK31 Silverado 3500 Cab/Chassis
                  GMC         CK31 Sierra 3500 Cab/Chassis
                Chevrolet G30 Express Commenrcial Cutaway 3500
                  GMC      CK31 Savana Special Cutaway 3500

2007 — 2013       GMC                  C25 Sierra 2wd              6.0
  ULEV          Chevrolet             C25 Silverado 2wd
                  GMC                  K25 Sierra 4wd
                Chevrolet             K25 Silverado 4wd —
                  GMC                  C35 Sierra 2wd
              _ Chevrolet    .        C35 Silverado 2wd
                  GMC                  K35 Sierra 4wd
                Chevrolet             K35 Sitverado 4wd
                  GMC                  C©35 Sierra 2wd  _
                Chevrolet             C35 Silverado 2wd
                  GMC                  K35 Sierra 4wd
                Chevrolet             K35 Silverado 4wd

Document Created: 2013-07-23 17:21:24
Document Modified: 2013-07-23 17:21:24

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