The Toyota FJ Cruiser already looks like nothing else on the road—retro design, bold stance, and a reputation for rugged adventure. But looks alone don’t get you through deep mud, steep climbs, or soft sand. That’s where tuning comes in. At Auto Upgrades, we make sure the FJ drives every bit as tough as it looks. With more power, stronger torque, and sharper throttle response, your FJ gains the muscle to take on any terrain with confidence. From farm tracks to beach runs, the FJ becomes the off-road weapon it was designed to be.

Toyota FJ Cruiser Performance Tuning Auckland

Key Features:

Performance: Significant gains in horsepower and torque for off-road capability.
Response: Faster throttle and stronger acceleration.
Power: Extra output to handle mud, sand, and steep climbs with ease.
Refinement: Smooth power delivery while adding strength where it counts.
Reliability: Safe, tested ECU calibrations built with OEM-level precision.

Performance Gains:

4.0 VVT-i: +25HP, +35Nm

How It Works:

Morning: Drop the FJ off and outline your goals.
Tuning: We recalibrate the ECU with accuracy, refining fuelling, torque management, and throttle control.
Afternoon: Collect your FJ—sharper, stronger, and trail-ready.

Engineered Results

The FJ Cruiser was always more than a styling exercise—it was built on Land Cruiser DNA, designed to go places most SUVs wouldn’t dare. Our tuning brings out that hidden strength, adding torque for off-road climbs, horsepower for long highway stretches, and throttle response that makes it feel alive in every gear. Whether it’s mud, rock, or sand, the FJ finally performs as tough as it looks.

Auto Upgrades transforms the FJ Cruiser into the off-road machine it was always meant to be.