Modern Horsepower (MHP) M157 twin turbo V8 ECU tune results - +105 wheel horsepower, $2995
The M157 ECU tune from BenzBoost premier vendor Modern Horsepower (MHP) is now available. The dyno below is a Cartec dyno from the MHP European facility. It reads stock, non-performance package cars at 528 crank and 484 rwhp. Tuned cars are at 627 crank and 589 rear wheel horsepower. Torque figures rise from 569 crank / 521 rwtq stock to 690l / 632 rwtq. Dyno tests were done on 98 RON octane fuel on a car without the performance package. This tune is available now for $2995.