’04 LS1 Pontiac GTO Intercooled Supercharger System Installation – 1. Open the hood and remove the under hood insulation by prying out the seven plastic buttons that retain it. The insulation will not be reused. 2. Start the supercharger installation by removing the negative (-) battery with a 10mm wrench. 3. On top of each shock tower remove the two nuts that secure the strut tower brace with a 13mm socket wrench. 4. Remove the strut tower brace and fasteners from the vehicle, the brace can be reinstalled after the supercharger installation. 5. Remove the two engine covers by pulling up fi rmly along the edges. 6. Loosen the Air Tube clamp at the Mass Air Flow meter. (MAF) 7. Loosen the Air Tube clamp at the throttle body. 8. Disconnect the Intake Air Temperature (IAT) connector from the sensor. 9. Remove the IAT sensor from the air tube. 10. Remove the air tube completely, it will not be re-used. 11. Rotate the throttle arm to the open position and then remove the throttle cable from the arm by aligning the cable with the slot in the side of the arm. 12. Remove the throttle cable from its bracket by depressing the small lock tab with a screwdriver and then pulling up on the cable.