JEEP WRANGLER RUBICON 392 – STAGE 1 PERFORMANCE SOFTWARE
$1,299.00
Stage 1: 470HP → 495HP (+25HP) | 470 → 494 lb-ft (+24 lb-ft). Stage 2: 520HP / 524 lb-ft. Continental GPEC5 PCM. Bench flash. 100% reversible.
JEEP WRANGLER RUBICON 392 (2021-2024) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
6.4L 392 HEMI V8 NA — Continental GPEC5 PCM — Bench Flash
SKU: AMT.JEP.WRANGLER.392.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 470 | 495 (+25 HP) | 520 (+50 HP) |
| Torque (lb-ft) | 470 | 494 (+24 lb-ft) | 524 (+54 lb-ft) |
Required & Recommended Parts
| Tune | Required Parts | Recommended Parts |
|---|---|---|
| Stage 1 | — | Performance air filter |
| Stage 2 | — | Sport exhaust, performance intake, headers |
Overview
The Wrangler 392 is a premium Jeep product where software improves response and drivability in a heavy, off-road-oriented chassis. Current Stellantis controller support still follows the locked-PCM logic, which makes access part of the sale. Once that is done, the calibration work is straightforward and very marketable.
Key Features
- torque management reduction
- throttle sharpening
- shift logic refinement
- premium-fuel spark
- off-road drivability
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2021-2024 |
| Engine | 6.4L 392 HEMI V8 NA |
| ECU Type | Continental GPEC5 PCM |
| Flash Method | Bench |
| Time Required | 3–5 business days (ECU mail-in bench service) |
Programming Instructions
The Continental GPEC5 PCM ECU requires bench flashing — direct connection to the ECU outside the vehicle. The ECU must be removed and shipped to AMT Tuning for programming.
- Remove the ECU from your vehicle (refer to your workshop manual for location and procedure)
- Package securely and ship to AMT Tuning at the address below
- AMT will read your stock file and flash your custom tune directly on the bench
- Turnaround is typically 3–5 business days from receipt
- Reinstall the returned ECU — the tune is active immediately on start-up
Shipping & Contact
AMT Tuning Ltd, 6-25 Edilcan Drive, Concord, Ontario L4K 3S4 Canada
Phone: +1 877 469 9440 | Email: sales@amttuning.com
| Make | Jeep |
|---|---|
| Vehicle Make | Jeep |
| Model | Jeep Wrangler Rubicon 392 |
| Production Year | 2021-2024 |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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