• Adds up to 110 hp/120 ft. lbs. torque
(NOTE: Please read important disclaimer)

• CARB E.O. # D-488-5 (PDF)
for (2004 models only) and # D-488-10 for (2005-06 models only)

• 100% complete bolt-on system

• Front inlet 5th Gen supercharger with integral bypass valve

• Patented cast aluminum intake manifold replaces factory composite unit and features the latest in proprietary intercooler airflow technology (patent pending)

• 180° rotation of supercharger provides straight airflow path for maximum power and efficiency

• "Internal bypass valve" virtually eliminates parasitic loss...and delivers a proven 30 to 66% increase in real world "under the curve" power. Best of all, it costs less than 1/3 of a horse at 60 mph. Now that's real efficiency.

• Fuel system includes new injectors, extruded aluminum fuel rails, factory "push-lock" connectors and fuel regulator adaptor

• Computer programmer re-flashes factory ECU, spark and fuel calibration, transmission shift points, line pressure and torque converter strategies are optimized to manage increased torque, horsepower and mileage.

• Installs in less than 1 day

• Std. 3-year limited warranty

• Opt. 3-yr./36,000 powertrain warranty

GTO LS1 - Installation Shown

GTO LS1 - Kit Shown

Flyer (PDF):
GTO LS1

Installation Manual (PDF):
2004 GTO LS1
2005-06 GTO LS2