Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on February 24, 2004.
As of Monday, June 24th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModificationRemarks
01-12-60-001Sierra, Silverado, Tahoe, Suburban, Yukon, Denali, Escalade, Avalanche, SSR, Trailblazer, Envoyinjectors, air intake box and filter, intercooler, fuel and timing calibrationsmax boost = 7 psi

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-488-5
  • Executive Order 488-5 / D488-5
  • ARB # D-488-5
  • Executive Order No: D-488-5
  • C.A.R.B. No. D-488-5
  • Resolution D-488-5
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-488-5 PDF

D-488-5 Document:



                                     State of California
                                AIR RESOURCES BOARD


                              EXECUTIVE ORDER D—488—5

                       Relating to Exemptions Under Section 27156
                                    of the Vehicle Code


                                 Magnuson Products, Inc.
                                  Radix Supercharger Kit

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—02—003;

IT IS ORDERED AND RESOLVED: That the installation of the Radix Supercharger
Kit manufactured and marketed by Magnuson Products, Inc. of 3172 Bunserft Avenue,
Unit K, Ventura, CA 93003, has been found not to reduce the effectiveness of
required motor vehicle pollution control devices and, therefore, is exempt from the
prohibitions of Section 27156 of the Vehicle Code for the 4.8L, 5.3L, and 6.OL
General Motors vehicles listed in Exhibit A.                             '

The Radix Supercharger Kit includes the following main components: Eaton
supercharger and intake manifold plenum, larger fuel injectors, air intake filter, air—to—
water intercooler, and new fuel and ignition timing map.calibrations. The stock fuel
pressure regulator is retained, but the stock fuel pump is complemented with a
secondary fuel pump. The throttle body is moved to the supercharger inlet. Ail other
emission—related components are in the stock location relative to thethrottle body.  ,
The supercharger pulley specifications range between 3.1" to 3.7" dependlng on the _#
engine displacement for which the kit is installed.f\” crankshaft pulleys are stock and
maximum boost is limited to 7 psi.

This Executive Order shall not apply to any Radix Supercharger Kit advertised,
offered for sale, sold with, or installed on a new motor vehicle prior to or concurrent
with transfer to an ultimate purchaser.

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


                                          2.


Changes made to the design or operating conditions of the devices, as exempted by
the Air Resources Board (ARB), that adversely affect the performance of a vehicle‘s
pollution control system shall invalidate this Executive Order.

Marketing of these devices 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 prior approval is obtained from the
ARB.

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

This exemption is issued based on submitted emissions test data from an
independent laboratory on a 2004 model year General Motors Sitverado 1500 2WD
vehicle (Test Group 4GMXT06.0187) certified to the Super Uitra Low Emission
Vehicle (SULEV) and Supplemental Federal Test Procedure (SFTP) standards:

Federal Test Procedure:
                                                                                *,


                                                 NMOG            CO      NOX
Standards (g/mi)                                 0.125           3.4     0.14
Device (g/mi) with df‘s applied                   0.101          2.5     0.06

SFTP (USO6 Cycie):

    ~                                            NMHC+NOX              _CO .
Standards (g/mi)                                    0.40 .             10.5°
Device (g/mi)                                       0.05                7.2

SFTP (SCOQ3 Alternative AC2 Cycle):                 ~                   & .              3

                                                 NMHIC+NOX             co
Standards (g/mi)                                    0.31               3.5
Device (g/mi)                                        0.03              0.2

Test results showed that the Radix Supercharger Kit when installed on the vehicle did
not cause exhaust emissions to exceed the applicable emission standards during the
Cold Start CVS—75 Federal Test Procedure or SFTP cycles. This Executive Order is
also based on the On—Board Diagnostic II (OBD I1) testing conducted on the same
test vehicle. The Radix Supercharger Kit when installed on the test vehicle did not
affect the vehicle‘s ability to perform its OBD I! monitoring.

In addition, the ARB 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



           MAGNUSON PRODUCTS, INC. — RADIX SUPERCHARGER KIT — D—488—5


                                         —3.


part continues to meet the standards and procedures of Title 13, California Code of
Regulations, Section 2222, et seq. _

THISEXECUTIVE 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 RADIX SUPERCHARGER KIT.

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 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.                  C


Executed at El Monte, California, this 2/7/ day of February 2004.




                                       All%yons, Chief                   .
                                       Mobile Source Operations Divisid




                                                                                          4




           MAGNUSON PRODUCTS, INC. — RADIX SUPERCHARGER KIT — D—488—5


                                                                    EXAIEAIT A (EofP—ze—5)
                                                                  Radix Intercooled Supercharger system by Magnuson Products Inc                                     Printed:8/13/2003
                              S/C SYSTEM PART NUMBER                                              S/C SYSTEM DESCRIPTION                                     APPLICATION
                                            "60                                                   Tifer:                                               Z          es


                                     01—12—60—013               __ _ _             |Rabix H2, sitver                C                  [             _ h2onty
                                     (‘)1-1”2-‘60-0,14      L      _         ___     |RADIX H2, POLISH                                                           H2 OnLy




     Year        Make          Model                     Model                        Engine       Pulley Dia.       Pulley P/N            Add Early Model Kit? 31—12—00—007      Tuner P/N
     1999 Chevrolet            C/K              Sitverado 1500/2500                  4.8 — LR4         3.7         58—90—06—037                            yes                  88—85—53—001
                                                                                     5.3 — LM7Z        3.4         58—90—06—039                            yes                  88—85—53—001

     1999        GMC           CIK                Sierra 1500/2500                   4.8 — LR4         3.7         58—90—06—037                            yes                  88—85—53—001
                          ‘                                      '                   5.3 — LM7         3.4         58—90—06—039                            yes                  88—85—53—001

 2000 Chevrolet                C/K              Silverado 1500/2500                  4.8 — LR4         3.7         58—90—06—037                            yes                  88—85—53—001
                                                                                     5.3 — LM7         3.4         58—90—06—039                            yes                  88—85—53—001
                                                                                     6.0 — LQ4         3.1         58—90—06—131                            yes                  88—85—53—001

 2000 Chevrolet                C/K                       Tahoe                      4.8 — LR4          3.7         58—90—06—037                            yes                  88—85—53—001
                                                                                    5.3 — LM7          3.4         58—90—06—039                            yes                  88—85—53—001

 2000 Chevrolet                C/K              Suburban 1500/2500                  4.8 — LR4          3.7         58—90—06—037                            yes                 88—85—53—001
                                                                                    5.3 — LM7          3.4         58—90—06—039                            yes                 88—85—53—001
                                                                                    6.0 —LQ4           3.1         58—90—06—131                            yes                 88—85—53—001

 2000           GMC            CIK                Sierra 1500/2500                  4.8 — LR4          3.7         58—90—06—037                            yes                 88—85—53—001
    >                                                  j                            5.3 — LM7          3.4         58—90—06—039                            yes                 88—85—53—001
                                                                                    6.0 — LQ4          3.1         58—90—06—131                            yes                 88—85—53—001
                                                                                                                                                            CS
 2000           GMC            CIK                     Yukon                        4.8 — LR4          3.7         58—90—06—037                            yes                 88—85—53—001
                                                                                    5.3 — LM7          3.4         58—90—06—039                            yes                 88—85—53—001

       1        GMC            CIK              Yukon XL 1500/2500                  4.8 — LR4          3.7        58—90—06—037                             yes                 88—85—53—001
                                                                                    5.3 — LM7          3.4        58—90—06—039                   >         yes                 88—85—53—001
                                                                                    6.0 —LQ4           3.1        58—90—06—131                             yes                 88—85—53—001

$2000           GMC            CIK                       Denali                     6.0 — LQ4          3.1        58—90—06—131                             yes                 88—85—53—001 |

[ 2000         Cadiliac              ~               Escalade                       6.0 — LQ9g         3.3        58—90—06—033                             yes                 88—85—53—001 |

 2001 Chevrolet                C/K              Sitverado 1500/2500                 4.8 — LR4          3.7        58—90—06—037                             yes                 88—85—53—003
                                                                                    5.3 — LM7          3.4        58—90—06—039                             yes                 88—85—53—003
                                                                                    6.0 —LQ4           3.1        58—90—06—131                             yes                 88—85—53—003

 2001 Chevrolet                C/K          —          Tahoe                        4.8 — LR4          3.7        58—90—06—037                             yes              ;i 88—85—53—003
                                                                                    5.3 — LM7Z         3.4        58—90—06—039                             yes                 88—85—53—003

 2001 Chevrolet                C/K              Suburban 1500/2500                  4.8 — LR4         3.7         58—90—06—037                             yes                 88—85—53—003
                                                                                    5.3 — LM7         3.4         58—90—06—039                             yes                 88—85—53—003
                                                                                    6.0 — LQ4         3.1         58—90—06—131                             yes                 88—85—53—003

 2001           GMC            CIK                Sierra 1500/2500                  4.8 — LR4         3.7         58—90—06—037                             yes          .      88—85—53—003
           &                                                                        5.3 — LM7         3.4         58—90—06—039                             yes                 88—85—53—003
                                                                                    6.0 — LQ4         3.1         58—90—06—131     '                       yes                 88—85—53—003

 2001           GMC            CIK                    Yukon                         4.8 — LR4         3.7         58—90—06—037                             yes                 88—85—53—003
                                                                                    5.3 — LM7         3.4         58—90—06—039                             yes                 88—85—53—003

 2001           GMC            CIK              Yukon XL 1500/2500                  4.8 — LR4         3.7         58—90—06—037                             yes                 88—85—53—003
                                                                                    5.3 — LM7         3.4         58—90—06—039                             yes                 88—85—53—003
                                                                                    6.0 — LQ4         3.1         58—90—06—131                             yes                 88—85—53—003

Fo     y        GMC            CIK                     Denali                       6.0 — LQ4         3.1         58—90—06—131                             yes                 88—85—53—003|




                                                                               Magnuson Products / Magna Charger Confidential
                                                                                     3172 Bunsen Ave, Ventura CA 93003
                                                                            Contact: Kevin McMillan 805—642—8833 or 805—732—8293                                                 13


                                                         Radix Intercooled Supercharger system by Magnuson Products Inc.                             Printed:8/13/2003
    Year     Make     Model                       Model                    Engine      Pulley Dia.            Pulley P/N    Add Early Model Kit? 31—12—00—007      Tuner P/N
F2001      Cadiliac                             Escalade                   6.0—LQ9         3.3              58—90—06—033                   yes                  88—85—53—003]

[2002 Chevrolet       C/K                  Silverado 1500/2500            4.8 — LR4        3.7              58—90—06—037                   no                   88-85;5-3-00;
    <                                                                     5.3 — LM7        3.4              58—90—06—039                   no                   88—85—53—003
L                                                                         6.0 — LQ4        3.1              58—90—06—131                  yes                   88—85—53—003



    2002 Chevrolet    C/K                        Tahoe                    4.8 — LR4        3.7              58—90—06—037                   no                   88—85—53—003
                                —                                         5.3 — LM7        3.4              58—90—06—039                   no                   88—85—53—003

    2002 Chevrolet    C/K                  Suburban 1500/2500            4.8 — LR4         3.7              58—90—06—037                  no                    88—85—53—003
                                                                         5.3 — LM7         3.4              58—90—06—039                  no                    88—85—53—003
                                                                         6.0 — LQ4         3.1              58—90—06—131                  yes                   88—85—53—003

f2002 Chevrolet       C/K                    Avalanche 1500              5.3 — LM7         3.4              58—90—06—039                   no                   88-85-53-003]

    2002     GMC      C/IK                  Sierra 1500/2500             4.8 — LR4         3.7             58—90—06—037                   no                    88—85—53—003
                                                                         5.3 — LM7         3.4             58—90—06—039                   no                    88—85—53—003
                                                                         6.0 —LQ4          3.1             58—90—06—131                   yes                   88—85—53—003

    2002     GMC      CIK                        Yukon                   4.8 — LR4        3.7              §8—90—06—037                    no                   88—85—53—003
                                                                         5.3 — LM7        3.4              58—90—06—039                    no                   88—85—53—003

    2002     GMC      C/K                 Yukon XL 1500/2500             4.8 — LR4        3.7              58—90—06—037                    no                   88—85—53—003
                                                                         5.3 — LM7        3.4              58—90—06—039                    no                   88—85—53—003
                                                                         6.0 — LQ4        3.1              §8—90—06—131                   yes                   88—85—53—003

    2002     GMC      C/IK                       Denali                  4.8 — LR4        3.7              58—90—06—037                    no                   88—85—53—003
       s                                                                 5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—003
                                                                         6.0 — LQ4        3.1              58—90—06—131                   yes                   88—85—53—003
                                                                                                                                            *

2002       Cadillac                             Escalade                 6.0 — LQg        3.3              58—90—06—033                   yes                   88—85—53—003 |

Lean2      Cadillac                          Escalade EXT                6.0 — LQg        3.3              58—90—06—033                   yes                   88—85—53—003 j

    2003 Chevrolet    C/K           Silverado 1500/2500 and HD Series    4.8 — LR4        3.7              §58—90—06—037                  no                    88—85—53—002
                                                                         5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—002
                                                                         6.0 —LQ4         3.1              58—90—06—131                   no                    88—85—53—002

    2003 Chevrolet    C/K                        Tahoe                   4.8 — LR4        3.7              58—90—06—037                   no                    88—85—53—002
                            .                                            5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—002

    2003 Chevrolet    C/K                 Suburban 1500/2500             4.8 — LR4        3.7              58—90—06—037                   no                    88—85—53—002
                                                                         5.3 — LM7        3.4              §8—90—06—039                   no                    88—85—53—002
                                                                         6.0 — LQ4        3.1              58—90—06—131                   no                    88—85—53—002

    2003 Chevrolet    C/K                 Avaianche 1500/2500            4.8 — LR4        3.7              58—90—06—037                   no               a —8§9—85—53—002|
                                                                         5.3 — LM7        3.4              58—90—06—039                   no               * 88—85—53—002
                                                                         6.0 —LQ4         3.1              58—90—06—131                   no                 88—85—53—002

[2003 Chevrolet                                   SSR                    5.3 — LM7        3.4              58—90—06—039                   no                    88-85-53-0(2]

[2003 Chevrolet                              Trailblazer XL              5.3 — LM7        3.4              58—90—06—039                   no                    88-85-53-005]

    2003    GMC       C/K            Sierra 1500/2500 and HD Series      4.8 — LR4        3.7              58—90—06—037                   no                    88—85—53—002
                                                                         5.3 — LM7        3.4              58—90—06—039                   no                    88—35—53—002
                                                                         6.0 —LQ4         3.1              58—90—06—131                   no                    88—35—53—002

    2003    GMC       CIK                        Yukon                   4.8 — LR4        3.7              58—90—06—037                   no                    88—85—53—002
                                                                         5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—002

    2003     GMC      C/K                 Yukon XL 1500/2500             4.8 — LR4        3.7              58—90—06—037                   no                    88—85—53—002
                                                                         5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—002
|                                                                        6.0 — LQ4        3.1              58—90—06—131                   no                    88—85—53—002

03          GMC       CIK                      Envoy XL                  5.3 — LM7        3.4              58—90—06—039                   no                    88—85—53—002]




                                                                       Magnuson Products / Magna Charger Confidential
                                                                             3172 Bunsen Ave, Ventura CA 93003
                                                                    Contact: Kevin MciMillan $05—642—8833 ar 805—732—8203


                                                                                                                                                                   se sns


                                                    Radix Intercooled Supercharger system by Magnuson Products Inc.                            — Printed:8/13/2003
  Year     Make        Model                Model                    Engine   Pulley Dia.              Pulley P/N      Add Early Model Kit? 31—12—00—007      Tuner P/N
| 2003     _GMC.     _‘ ~C/K                Denali                  6.0 — LQ4     3.1                58—90—06—131                     no                    88—85—53—002|

[ 2003   Cadiilac                         Escalade                  6.0 — LQg       3.3              58—90—06—033                     no                    88—85—53—002

L    4   Cadillac                       Escalade EXT                6.0 — LQg       3.3              58—90—06—033                     no                    88—85—53—002|

[ 2003   Cadillac                       Escalade ESV                6.0 — Las       3.3              58—90—06—033                     no                    88—85—53—002|] —

[2003—Hummer                                  Hz2                   60 —Lai         31               Bont Add to s10                  no                    85—55—53—002]
 2004 Chevrolet       C/K      Silverado 1500/2500 andHD Series    4.8 — LR4        3.7              58—90—06—037                     no                    88—85—53—002
                                                                   5.3 — LM7        3.4              58—90—06—039                     no                    88—85—53—002
                                                                   6.0 — LQ4        3.1              58—90—06—131                     no                    88—85—53—002
                                             SS                    6.0 — LQg        3.3              58—90—06—033                     no                    88—85—53—002

 2004 Chevrolet       C/K                  Tahoe                   4.8 — LR4        3.7              58—90—06—037                     no                    88—85—53—002
                                                                   5.3 — LM7        3.4              58—90—06—039                     no                    88—85—53—002


 2004 Chevrolet       C/K            Suburban 1500/2500            4.8 — LR4        3.7              58—90—06—037                     no                    88—85—53—002
                                                                   5.3 —LM7 —       3.4              58—90—06—039                     no                    88—85—53—002
                                                                   6.0 — LQ4        3.1              58—90—06—131                     no         ~          88—85—53—002



 2004 Chevrolet       C/K           Avaianche 1500/2500            4.8 — LR4        3.7              §8—90—06—037                     no                    88—85—53—002
                                                                   5.3 — LM7        3.4              58—90—06—039                     no                    88—35—53—002
                                                                   6.0 — LQ4        3.1              58—90—06—131                     no                    88—85—53—002

|2004 Chevrolet                             SSR                    5.3 — LMZ        3.4              58—90—06—039                     no                    88—85—53—002 |

[ 2004 Chevrolet                        Trailblazer XL             5.3 — LM7        3.4              58—90—06—039                    no                     88—85—53—002 |
                                                                                                                                      %
 2004     GMC         C/IK     Sierra 1500/2500 and HD Series      4.8 — LR4        3.7             58—90—06—037                     no                    88—85—53—002
                                                                   5.3 — LM7        3.4             58—90—06—039                     no                    88—85—53—002
                                                                   6.0 — LQ4        3.1             58—90—06—131                     no                    88—85—53—002

 au04     GMC         C/K                  Yukon                   4.8 — LR4        3.7              58—90—06—037                    no                     88—85—53—002
                                                                   5.3 — LM7        3.4              58—90—06—039                    no                     88—85—53—002

 2004     GMC         CIK            Yukon XL 1500/2500            4.8 — LR4        3.7             58—90—06—037                     no                    88—85—53—002
                                                                   5.3 — LM7        3.4             58—90—06—039                     no                    88—85—53—002
                                                                   6.0 — LQ4        3.1             §8—90—06—131                     no                    88—85—53—002

(2004     GMC         C/IK                Envoy XL                 5.3 — LM7        3.4             58—90—06—039                     no                    88—85—53—002|

[2004     __GMC       C/K                  Denali                  6.0 — LQ4        3.1             58—90—06—131                     no                    88—85—53—002

[2004    Cadiliac                         Escalade                 6.0 — LQg        3.3             58—90—06—033                     no                a   88—85—53—002|

[2004    _Cadiliac                     Escalade EXT                6.0 — LQg        3.3             §58—90—06—033                    no                    88—85—53—002|

|2004    Cadillac                      Escalade ESV                6.0 — LQQ        3.3             58—90—06—033                     no                    88—95—53—002|

{ 2004 _Hummer                               H2                    6.0 — LQ4        3.1             Don‘t Add to S/O                 no                    88—85—53—002|




                                                                 Magnuson Products / Magna Charger Confidential
                                                                       3172 Bunsen Ave, Ventura CA 93003
                                                              Contact: Kevin McMillan 805—642—8833 or 805—732—8293                                           3/3



Document Created: 2005-09-01 12:41:45
Document Modified: 2005-09-01 12:41:45

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