MCLAREN W1 4.0T V8 HYBRID (2025-2026) — Stage 1 ECU Performance Tune
$13,714.99
Stage 1: 1258HP → 1325HP (+67HP) | 988 → 1040 lb-ft (+52 lb-ft). Stage 2: 1360HP / 1070 lb-ft. Hybrid powertrain ECU suite. Bench flash. 100% reversible.
MCLAREN W1 (2025-2026) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
4.0T V8 + Electric Motor (MHP-8) — Hybrid powertrain ECU suite — BENCH FLASH ONLY
SKU: AMT.MCL.W1.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 1258 | 1325 | 1360 |
| Torque (lb-ft) | 988 | 1040 | 1070 |
Required & Recommended Parts
| Tune | Required Parts | Recommended Parts |
|---|---|---|
| Stage 1 | — | BMC Panel Filters |
| Stage 2 | BMC Panel Filters, High-Flow Cats, Sports Exhaust | Cold-Air Intake, Catless Downpipes |
Overview
The W1 introduces McLaren’s new MHP-8 hybrid powertrain, combining a new 4.0 twin turbo V8 with an advanced electric module. Early calibration work on this platform is expected to focus on torque shaping, hybrid assist blending, and response optimization rather than only headline peak output.
Key Features
- Provisional early platform support
- Optimized hybrid assist blending
- Sharper torque shaping
- Faster response calibration
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2025-2026 |
| Engine | 4.0T V8 + Electric Motor (MHP-8) |
| ECU Type | Hybrid powertrain ECU suite |
| Flash Method | Bench Flash Only |
| Time Required | 4–5 hours |
Programming Instructions
- ECU must be sent to AMT Tuning for reprogramming.
- ECU tuning is performed via bench flash only.
- For removal and shipping details, contact sales@amttuning.com.
Shipping Instructions
Please pack ECU securely using anti-static material or bubble wrap. Ship in a padded box with tracking and insurance.
Shipping Address:
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 | McLaren |
| Vehicle Model | W1 |
| Vehicle Generation | |
| Vehicle Year |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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