| SLEDGEHAMMER Porsche 997 |
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| The SLEDGEHAMMER Porsche 997 is an exercise of testing the limits of the 997's engine, which has the result of 1000 hp. The SLEDGEHAMMER Porsche 997 1000 hp package has been developed by Tym Switzer and his company, Switzer Performance Innovations (SPI) in Oberlin, Ohio. The SLEDGEHAMMER Porsche 997... More » |
