INFINITI QX80 5.6L V8 – STAGE 1 PERFORMANCE SOFTWARE
$599.00
Stage 1: 400HP → 415HP (+15HP) | 413 → 428 lb-ft (+15 lb-ft). Stage 2: 430HP / 443 lb-ft. Hitachi VK56VD ECU family. OBD flash. 100% reversible.
INFINITI QX80 5.6L V8 (2014-2024) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
5.6L VK56VD V8 — Hitachi VK56VD ECU family — OBD Flash
SKU: AMT.INF.QX80.56.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 400 | 415 (+15 HP) | 430 (+30 HP) |
| Torque (lb-ft) | 413 | 428 (+15 lb-ft) | 443 (+30 lb-ft) |
Required & Recommended Parts
| Tune | Required Parts | Recommended Parts |
|---|---|---|
| Stage 1 | — | Performance air filter |
| Stage 2 | — | Sport exhaust, performance intake, headers |
Overview
The QX80 is a heavy luxury SUV, so the best tune value comes from improved tip-in, crisper response, and better use of the VK56VD’s torque curve. Modern Nissan Infiniti support now makes the platform tunable enough to justify a file product, especially for markets where towing and highway passing performance matter. Like other large NA SUVs, peak gains stay modest but drivability gains are real. The outputs below are conservative pump-fuel targets.
Key Features
- premium SUV tune niche
- improved throttle and response
- shared VK56 support
- modest honest NA gains
- towing and highway usability focus
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2014-2024 |
| Engine | 5.6L VK56VD V8 |
| ECU Type | Hitachi VK56VD ECU family |
| Flash Method | OBD |
| Time Required | Same day (OBD flash) |
Programming Instructions
This vehicle is tuned via OBD port flash — no ECU removal required.
- Locate the OBD-II port (under the dashboard, driver’s side)
- Connect the AMT Tuning flash tool to the OBD port
- Follow the prompts to read your stock file (approx. 15–30 minutes)
- Send the stock file to AMT Tuning — we will prepare your custom tune
- Flash the returned tune file — your vehicle is ready to drive
- To revert: your original stock file is saved and can be flashed back at any time
Shipping & Contact
AMT Tuning Ltd, 6-25 Edilcan Drive, Concord, Ontario L4K 3S4 Canada
Phone: +1 877 469 9440 | Email: sales@amttuning.com
| Make | Infiniti |
|---|---|
| Vehicle Make | Infiniti |
| Model | Infiniti QX80 5.6L V8 |
| Production Year | 2014-2024 |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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