Nissan Maxima Custom HP Tuners Tuning (3.5L VQ35)

Our HP Tuners custom calibrations for the Nissan Maxima are designed to optimize the performance of the 3.5L VQ35 engine. Whether your Maxima is stock or equipped with bolt-on upgrades, our in-house tuning improves throttle response, horsepower, torque, and overall drivability while maintaining long-term reliability.

Key Features

• Engine Coverage – 3.5L VQ35DE / VQ35HR V6 (select Maxima models 2004–2020)

• Transmission Support – Calibrations available for automatic and CVT-equipped models where supported, refining throttle mapping, torque management, and responsiveness

• Custom Calibration – Adjustments available for intakes, exhaust systems, headers, camshafts, forced induction upgrades, and flex-fuel/E85 conversions

• Safe Performance – Gains developed with knock-safe ignition strategies, smooth fueling, and consistent reliability

• Remote Tuning – Compatible with HP Tuners MPVI2 and MPVI3 devices for easy file exchange and flashing

Benefits

• Quicker throttle response and acceleration

• Increased horsepower and torque across the RPM range

• Optimized fueling and spark strategies for bolt-on or boosted setups

• Refined drivability for street and highway performance

• Reliable calibrations proven on stock and modified Maxima builds

Compatibility

Custom tuning is available for:

• 2004–2020 Nissan Maxima (3.5L VQ35DE / VQ35HR, automatic/CVT where supported)

Process

1. Purchase your Maxima custom tuning package.

2. Use HP Tuners to read your factory calibration.

3. Provide your stock file and a list of modifications.

4. Receive a custom-built tune designed for your setup.

5. Flash the tune and enjoy immediate improvements.

Professional Assurance

All Maxima tunes are built in-house with a balance of performance, drivability, and reliability. From daily-driven sedans to heavily modified builds, our HP Tuners calibrations deliver consistent, proven results for the VQ35 platform.