It’s become quite clear that Mansory and Fab Design should leave SLS-tuning to the experts. Brabus has pulled back the wraps on its 700 Biturbo, and the results are pants-tightening impressive. Read more after the jump

@funkmasterflex

Brabus has taken the 6.2-liter SLS AMG V8 and attached a pair of turbochargers to the already-excellent mill. Output has gone from 563 horsepower and 479 pound-feet of torque, up to 700-hp and 626 lb-ft of torque. Brabus has also gone ahead and changed the intake and exhaust manifolds, engine mapping and exhaust system on the Mercedes-Benz flagship.

In fact, Brabus has gotten down to the nitty-gritty with its 700 Biturbo at the Geneva Motor Show. Traditionally, twin-turbocharged engines have a pair of turbos both spinning in the same direction. Brabus has fitted a right-turning and left-turning exhaust to the respective sides of the engine, and this allows for optimal air flow into the engine.

All of this work has produced a luxurious grand tourer that hits 0-62 miles per hour in 3.7 seconds, and can run on to top speed of 213 mph. Brabus has managed to do all of this without slapping on eye-searing paint an ill-advised body kit (though obviously there’s an extensive bit of aero-tweakery present), and for that, we thank them. (Next time, though, maybe we can find someone around to close the hood…)

By: Jeff Glucker