The Dodge Hellcat and Demon are already icons of brute force—muscle cars that leave no doubt about their intent. But even legends can be sharpened. At Auto Upgrades, our tuning solutions for the 6.2L supercharged V8 take these machines to unprecedented levels of power, aggression, and control. This isn’t just tuning—it’s engineering adrenaline.

Dodge Hellcat & Demon Performance Tuning Auckland

Key Features:

Insane Power Gains: Push your Hellcat or Demon beyond factory limits with performance that redefines dominance.
Lightning-Fast Response: Sharper throttle and quicker acceleration unleash the supercharged V8 with immediacy.
Peak Optimization: Calibrated for efficiency and power, every setting is engineered for controlled chaos.
Refined Drivability: Raw aggression, balanced with precision for seamless everyday usability.
OEM-Level Safety: Safe, tested calibration methods maintain reliability even with extreme output.

Performance Gains:

6.2L V8 Supercharged (Hellcat / Demon): +30HP, +40Nm

How It Works:

Morning: Drop off your Hellcat or Demon and tell us how far you want to take it.
Tuning: We recalibrate the ECU and TCU with meticulous precision, optimising fuelling, boost control, torque management, and gearbox response.
Afternoon: Collect your Dodge, transformed into an even more formidable machine—ready to dominate on the road or track.

Why Choose Auto Upgrades?

We specialise in OEM-level performance calibration, meaning every adjustment is made with engineering discipline, not guesswork. The Hellcat and Demon are engineered for extremes, but with our tuning, they achieve a new standard of ferocity while retaining the control and reliability needed for real-world driving.

Unleash the full potential of your Dodge Hellcat or Demon with Auto Upgrades. This isn’t just tuning—it’s unlocking the full capability of a true performance legend.