No, it’s not a typo. Not to be mistaken for the Greek deity Poseidon, Posaidon is a German aftermarket specialist based in Mülheim-Kärlich, Germany, and it recently took the wraps off its interpretation of the Mercedes-AMG G63 SUV.

Make no mistake, a standard Mercedes-AMG G63 is already bonkers with its twin-turbocharged V8 motor. Packing 585 horsepower and 627 pound-feet of torque, the G63 is among the most powerful SUVs you can buy today. However, Posadion found a way to squeeze out more power from the blown V8 mill.

Posaidon took out the stock turbos and gave it a bigger set of blowers. The engine came with newly ported cylinder heads, new valve seats, and a bespoke exhaust system. 
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https://www.slashgear.com/this-mercedes-amg-g63-by-posaidon-is-the-mightiest-of-all-suvs-25634974/