Not all German tuning firms are obsessed with insane power numbers and questionable cosmetic makeovers, as Senner Tuning's new package for the Mercedes-Benz SLS AMG Gullwing sports car shows.
The Ingelheim am Rhein-based tuner starts with the SLS AMG's 6.2-liter V8 engine, which normally produces an output of 571-horsepower and a peak torque of 650Nm (479 lb-ft). A revised ECU along with a stainless steel sports exhaust system and a high-performance air filter boots these numbers 606HP and 690Nm (509 lb-ft).
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