Switzer Performance, a car tuning company from Ohio developed a twin turbo kit for the already powerful Porsche 911 GT2. Professional tuner Tym Switzer and his guys at SPI created the package to deliver 800 hp for the Porsche 911 GT2. With those numbers it will really put you back in your seat, but Switzer aimed to also give it a smooth ride with an equal power curve. It runs on normal 93 octane gas and is basically a complete bolt on kit consisting of custom SPI headers, an aftermarket exhaust system, new intercooler setup, and to top it off, two GT30R turbochargers.

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Switzer Performance Innovation (SPI), a car tuning company from Ohio, have released details on their P700 package for the highly anticipated Nissan GT-R.  With over 15 years experience tuning all different imports from Europe to Japan, Switzer Performance was able to get 700hp out of this GT-R, hence the ‘P700′.  SPI is well-known for tuning Porsche’s and recently introduced the 1,000 hp Sledgehammer 997.   However, for this project they aimed to maintain a reliable and everyday driver at 93 octane. At stock the new Nissan GT-R is able to produce 480 hp and 434 ft-lbs of torque.  So the first major upgrade SPI decided to go with were brand new Garrett GT ball-bearing turbochargers with custom compressor wheels to increase the boost.

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