If you want to wait for Mercedes-AMG to roll out the inevitable Black Series (or whatever they end up calling it) version of the GT S, then by all means, go for it. But if you don’t have the patience and you’re open to aftermarket intervention, you’re going to want to see what RENNtech has brought to the tuning table. The Florida firm offers – for $11,800 – a Stage I turbo kit for the two-seat treat’s 4.0L twin-turbo V8, which they claim boosts output to 716 horsepower and 658 lb.-ft of torque at the flywheel. And to keep that extra oomph in line, RENNtech also offers a $1,980 fully adjustable coilover suspension kit for the GT S. In other words, good things come to those who wait, but sometimes they also come to those who don’t…
Source: RENNtech