
AIM Performance builds the motor which in this case is a 3.6 liter Mezger unit running full E85. It also has AIM Performance headers, their fuel system, and a 3' inch exhaust with dump tubes:

Yes, a bit of lag but what do you expect from 3.6 liters exactly? From 5000 rpm until redline the pair of GT3076R turbos are making a ton of power although peak horsepower is hit at 5560 rpm.
If you're going to mess with this 997.1 you better be packing some serious heat under the hood.
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