The Madness MINI Cooper S Stage 4 Performance Package includes our Madness Cold Air Intake with Cowl Mod, ECU Stage 5 Software, NGK Spark Plugs, 15% Supercharger Pulley, Madness Water to Air Intercooler, MSD Coilpack and Wires, Madness Big Valve Cylinder Head, Madness Header and Miltek Exhaust system Exhaust. These upgrades will increase your MINI Cooper S to a reliable 260-265 HP. WATCH VIDEOS BELOW TO SEE OUR STAGE 4 KITS IN ACTION.
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DYNO CHARTS showing max Horsepower and Torque
Dyno chart #1
Dyno chart #2
Dyno chart #3