Over the past several years, 9ff has established itself as one of the predominant Porsche tuners in the world. With hundreds of happy customers and a handful of uber-exotic one-offs under its belt ...

The tuning specialists over at 9ff took an "ordinary" 911 turbo cabrio and kicked up the power into the 910 HP stratosphere. Since the standard 911 turbo can hit 60 MPH in under four seconds ...

It's awesome how this horsepower monster pulls forward even on wet roads. And on dry surfaces, I'd bet that the 9ff logo would have imprinted itself between my shoulder blades permanently.