User Guide

181. On the left side engine cover trim the cover as
shown. A little more care must be used on trimming
this cover as you must make room for the bypass can-
ister. Trim and test the cover fi t several times to get a
good fi t and fi nish. Leave the fi nished covers off the
engine until you have completed your test drives and
fi nal inspection.
184. With the supercharger system installed, the
vehicle’s PCM should never be re-calibrated by a GM
dealer. If re-calibration is needed contact Magnuson
products Inc.
183. Locate the OBD II connection plug along the
bottom edge of the dash above the brake pedal. Install
the OBDII cover on the port and secure the attached
cord around the wiring harness behind the port. Push
the cord up behind the instrument panel so it will not
interfere with the vehicle operation.
OBD II connection
182. Install the “DO NOT RECALIBRATE” Sticker
on the OBDII port cover supplied.
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2005-2006 Pontiac GTO LS2 Supercharger Installation Instructions magnacharger.com