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Porsche 911 GT2: A 670 bhp mod by 9ff

Porsche 911 GT2
9ff has created a 670 bhp monster based on the Porsche 911 GT2. Stickermania alert!

In fact, that 670hp figure beats even the Mercedes SL65 AMG Black Series in terms of overall power, and the GT2 is considerably lighter. Acceleration in the 9ff GT2 is brutal: 3.6 seconds to 62mph (100km/h), 9.8 seconds to 124mph (200km/h) and just 25.8 seconds to 186mph (300km/h) – faster than both the Ferrari Enzo and the Porsche Carrera GT.

The V670 turbochargers are only part of the story, but they are an imporant part. A custom 9ff air intake manifold helps the turbos breathe, while in-house designed and built racing headers and exhaust system helps flow through the engine. A custom valve on the exhaust allows the driver to choose from a tamer near-stock sound level or a wide-open race car sound for track use. An ECU tune and raised rev limiter to 7,200rpm finish the engine modifications.

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Source: Motor Authority