Infiniti ECU Tune | Viezu USA

Get a professional Infiniti ECU tune from Viezu USA — stronger torque, sharper throttle response, and better overall capability from a calibration built for your specific platform. Whether you're running a VR30DDTT twin-turbo Q50 Red Sport, a naturally aspirated Q70 V6, or a QX80 V8 built for towing, Viezu has been developing calibrations for Infiniti platforms with the same engineering precision Infiniti puts into every engine. These tunes are built to match what the factory engineers designed — and to unlock what these vehicles are genuinely capable of.

Select your model, engine, year, and tune type below. Your vehicle-specific add-on price will be reflected at checkout.

NOTE: IF YOUR VEHICLE IS NOT LISTED IN THE DROP-DOWN MENU, JUST REACH OUT TO US AS WE HAVE A FEW INFINITI PLATFORMS SUPPORTED BY OTHER MEANS.

What's Included

• Custom ECU calibration built for your specific engine and platform
• US-based technical support before, during, and after your tune
• Dyno-documented results (in-house flash)
• Clear communication on turnaround time and expectations
• Follow-up support if adjustments are needed

Tune Types Available

Stage 1 — OBD Tune No hardware modifications required. Tuned directly through the OBD port. The most accessible entry point across all supported Infiniti platforms. Meaningful torque and power gains on the VR30DDTT twin-turbo, VQ37VHR naturally aspirated V6, VK56VD V8, and KR20DDET VC-Turbo without a single hardware change.

Stage 2 — Supporting Modifications Required Primarily for VR30DDTT-equipped Q50 and Q60 models running upgraded downpipes, intercooler, intake, exhaust, or other supporting hardware. Stage 2 extracts everything your modifications have to offer with a calibration built around your exact setup. Contact us before ordering to confirm your build is Stage 2 ready.

Economy / MPG Tune Optimized for real-world fuel efficiency on petrol platforms without sacrificing drivability. Popular with QX60 3.5L and QX80 V8 owners looking to reduce fuel costs, as well as daily-driven Q50 and Q70 owners managing a longer commute. Real-world MPG improvements without compromising power delivery.

Delivery Options

Select your preferred delivery method during checkout. Options include handheld tuner (mailed to you) or local in-person flash at our Salt Lake City, UT location.