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Polished 2004 GTO Kit Pictured

MarylandSpeed is excited to now offer Magnusun MagnaCharger kits for the Pontiac GTO. The "Maggie" is long known in GTO circles as the holy grail of bolt on HP, and we pleased to now provide it to our loyal customers. This item is the LS1 (2004 Pontiac GTO) satin version of the supercharger.

if you find a lower price, please contact us, and we will try and make it worth your while!

Magnasun Product Info-

• 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 that installs in less than 1 day.

• 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.

• Std. 3-year limited warranty & Opt. 3-yr./36,000 powertrain warranty - See Warranty (PDF) for Important Details