Factory specifications of the Mercedes SL 63 AMG 5.5T 395 kilowatts (537 hp) at the flywheel and 0-100 km/h in 4.3 seconds
With the addition of a downpipe, we measured performance on the dyno and obtained 277 kW (376 hp) at the wheels.
After the software update, the power increased to an impressive 426 kW (580 hp) at the wheels!
This means a gain of 149 kW (202 hp) at the wheels! Impressive!
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