Posaidon Transforms The Mercedes-AMG GT R Roadster With 880 HP

Posaidon is making quite the name for itself in upgrading various Mercedes-AMG models and has just unveiled its latest project, which is based on the GT R Roadster.

The tuning company says it was encouraged to upgrade the GT R Roadster as the AMG GT range is now topped out by the 720 hp Black Series, a model not offered in Roadster configuration. So, if you own a GT R Roadster and want to experience the same kind of straight-line performance as the Black Series, this is the answer.

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The open-top sports car has been equipped with the company’s RS 830+ package that churns out an extraordinary 880 hp and 737 lb-ft (1,000 Nm) of torque. Posaidon has achieved these gains by fitting two new ball-bearing turbochargers, forged high-performance pistons, a sports air filter, improved fuel pumps, and high-performance spark plugs. In addition, the RS 830+ package includes new exhaust manifolds and downpipes with sports catalytic converters, as well as tweaks to the ECU.

With its added grunt, the GT R Roadster can now sprint to 100 km/h (62 mph) in 2.9 seconds and hit a 224 mph (360 km/h) top speed. Changes have also been made to the seven-speed dual-clutch transmission to handle the added oomph.

For those that want some added performance from their Mercedes-AMG GT R but don’t want the full 880 hp and 737 lb-ft, Posaidon also offers an 830 hp and 700 lb-ft (950 Nm) package. A kit that retains the standard turbochargers is also offered, complete with 780 hp and 627 lb-ft (850 Nm). There is also a simple ECU tune available that increases power of the 4.0-liter twin-turbo V8 to 670 hp and 590 lb-ft (800 Nm).