01-178-01609-3
| WEISTEC HORSEPOWER | 765 |
| WEISTEC TORQUE | 683 |
| TURBO TYPE | W.3 (FACTORY UPGRADE) |
| MANUFACTURER | WEISTEC |
| STREET LEGAL IN ALL THE US STATES | NO |
| ENGINE FAMILY | M178 |
| STOCK HORSEPOWER | 456 |
| STOCK TORQUE | 443 |
| UPC | 810089560957 |
AMG GT, GTS, GTR Models
The Weistec M178 W.3 Turbo Upgrade unlocks the true potential of the 4.0L Biturbo engine. Power gains are substantial, especially in the top end.
The factory turbocharges are disassembled and fully inspected. The compressor cover and center cartridge are then machined to accept our 5-axis CNC machined 65mm impeller wheel. Externally, no changes are made to maintain a completely stock appearance. The new impeller wheel supports greater power levels than the factory unit with little to no sacrifice in spool and response. The turbochargers are then reassembled with new seals and fully balanced for smooth operation and OEM service life. All the original oil and coolant lines bolt right up making for a simple install.
For maximum results, the combination of our Weistec Downpipes, and Weistec High Flow Air Filters is recommended. A Weistec W.3 Turbo Specific ECU Upgrade is recommened.
Weistec W.3 Power Package AMG GT-S
5 Axis CNC Machined
High RPM Balanced for perfect operation
Substantial power throughout the RPM range
Rev Limit increased to 7500 RPM (on compatible models with tuning)
Stock Appearance when installed
100% Bolt on installation
Requires your turbos to be sent to Weistec
Core Exchange optional
| YEAR | MAKE | MODEL | TRIM | ENGINE |
|---|---|---|---|---|
| 2020 | MERCEDES-BENZ | AMG GT R | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2019 | MERCEDES-BENZ | AMG GT R | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2018 | MERCEDES-BENZ | AMG GT R | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2017 | MERCEDES-BENZ | AMG GT R | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2020 | MERCEDES-BENZ | AMG GT C | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2019 | MERCEDES-BENZ | AMG GT C | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2018 | MERCEDES-BENZ | AMG GT C | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2017 | MERCEDES-BENZ | AMG GT C | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2020 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2019 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2018 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2017 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2016 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2015 | MERCEDES-BENZ | AMG GT S | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2020 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2019 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2018 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2017 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2016 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
| 2015 | MERCEDES-BENZ | AMG GT | BASE (C190) | TWIN TURBO 4L V8 (M178) |
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