PORSCHE 911 CARRERA S / 4S / TARGA 4S / GTS (991.1) – STAGE 1 PERFORMANCE SOFTWARE
$1,655.99
Stage 1: 400–430HP → 425–448HP (+22HP) | 325 → 339 lb-ft (+15 lb-ft). Stage 2: 440–465HP / 350 lb-ft. Continental SDI9. OBD flash. 100% reversible.
PORSCHE 991.1 CARRERA S / GTS (2012-2016) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
3.8L H6 — Continental SDI9 — OBD Flash
SKU: AMT.POR.991.1.CS.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 400–430 | 425–448 (+22 HP) | 440–465 (+38 HP) |
| Torque (lb-ft) | 325 | 339 (+15 lb-ft) | 350 (+26 lb-ft) |
Required & Recommended Parts
| Tune | Required Parts | Recommended Parts |
|---|---|---|
| Stage 1 | — | BMC Panel Filters |
| Stage 2 | — | Sport exhaust, performance intake |
Overview
The 991.1 Carrera S and GTS represent the final naturally aspirated large displacement Carreras before Porsche downsized and turbocharged the range. ECU calibration enhances the immediacy of the 3.8 litre flat six and complements the already strong factory top end character.
Key Features
- Final large displacement NA Carrera family
- sharper top end and pedal response
- refined torque delivery
- excellent with plenum and exhaust upgrades
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2012-2016 |
| Engine | 3.8L H6 |
| ECU Type | Continental SDI9 |
| Flash Method | OBD |
| Time Required | Same day (OBD flash via POWERGATE4) |
Programming Instructions
This vehicle is tuned via OBD port flash using the POWERGATE4 tool — no ECU removal required.
- Locate the OBD-II port (under the dashboard, driver’s side)
- Connect the POWERGATE4 tool to the OBD port
- Follow the on-screen prompts to read your stock file (takes approx. 15–30 minutes)
- Send the stock file to AMT Tuning — we will prepare your custom tune
- Flash the returned tune file using the POWERGATE4 — your vehicle is ready to drive
- To revert: use the POWERGATE4 to flash your saved stock file at any time
Shipping Instructions
AMT Tuning Ltd, 6-25 Edilcan Drive, Concord, Ontario L4K 3S4 Canada
Phone: +1 877 469 9440 | Email: sales@amttuning.com
| Weight | 0.66 lbs |
|---|---|
| Dimensions | 16 × 14 × 12 in |
| Vehicle Make | Porsche |
| Vehicle Model | 911 |
| Vehicle Generation | |
| Vehicle Year |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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