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Holden Performance Tuning Auckland

Holden has built a loyal following with cars that balance strength, performance, and everyday usability. At Auto Upgrades, we take that foundation further with OEM-level tuning methods—delivering safe, reliable power gains and sharper drivability across the Holden range.

• Proven increases in horsepower and torque
• Stronger midrange pull for real-world performance
• Sharper throttle and improved response
• Transmission tuning for smoother, quicker shifts
• Safe, factory-quality ECU & TCU calibrations

Select your model above and discover why Auto Upgrades is Auckland’s trusted choice for Holden tuning. Unlock the full potential of your vehicle today.