Garrett POWERMAX Stage 2
Complete Bolt-On G25-660 High Performance Turbo
The Garrett POWERMAX Stage 2 G25-660 is a complete bolt-on high-performance turbo developed for VW / Audi EA888 Gen3.
It achieves higher flow and power output while maintaining high compatibility with genuine accessories.
With potential far exceeding the genuine IS38, it supports high-power specifications.
- Supports up to 600ps
- +59% flow increase compared to IS38
- Complete bolt-on
- G-series ball bearing
- For EA888 Gen3
High-output specification supporting up to 600ps
Supports up to 600ps based on in-vehicle measurement results.
It has a maximum airflow exceeding Stage 1 and supports higher tuning stages.
+59% flow increase compared to genuine IS38
Achieves a significant increase in flow compared to the Golf R's genuine IHI IS38.
With ample intake and exhaust capacity up to high RPMs, it supports high output ranges.
G-series technology injected
This is a high-performance specification adopting Garrett G-series compressor aerodynamics and
Mar-M G-series turbine aerodynamics.
EA888 PowerMax Turbo Comparison
You can compare the main dimensions of the compressor / turbine for Stage 1 and Stage 2.
| Model | Compressor Wheel | Turbine Wheel | ||||
|---|---|---|---|---|---|---|
| Inlet Diameter (mm) | Outlet Diameter (mm) | Trim | Inlet Diameter (mm) | Outlet Diameter (mm) | Trim | |
| Stage 1 Bolt-On Turbo | 47 | 60 | 62 | 45 | 50 | 81 |
| Stage 2 Bolt-On Turbo | 54 | 67 | 65 | 49 | 54 | 84 |
Stage 2 Features
This is a higher-end specification with G-series technology for users seeking higher output and flow.
Compatible Models
| Manufacturer | Model Name | Year | Engine | Genuine Turbo Model |
|---|---|---|---|---|
| Volkswagen | Golf GTI | 2014〜2020 | EA888 Gen3 | IS20/IS38 |
| Volkswagen | Golf R | 2015〜2020 | EA888 Gen3 | IS38 |
| Volkswagen | Passart | 2015〜2018 | EA888 Gen3 | IS20/IS38 |
| Volkswagen | Tiguan | 2016〜2020 | EA888 Gen3 | IS20 |
| Volkswagen | Arteon | 2018〜2020 | EA888 Gen3 | IS38 |
| Audi | A3/S3 | 2013〜2018 | EA888 Gen3 | IS20/IS38 |
| Audi | TT/TTS | 2014〜2020 | EA888 Gen3 | IS20/IS38 |
| Audi | Q3/SQ3 | 2015〜2018 | EA888 Gen3 | IS20/IS38 |
| Audi | SQ2 Quattro | 2018〜2020 | EA888 Gen3 | IS38 |
