The newest Audi R8-based PPI Razor GTR was revealed recently with a jaw-dropping 580 horsepower coming from a stock 4.2-liter V8. But not just any stock engine… This one features a specially engineered supercharger and a ram-charged sport air filter system, along with a high performance stainless steel exhaust. With the main main focus on optimizing the power-to-weight ratio, this R8 just lost 521 lbs which helped it increase torque to 600Nm and to sprint 0 to 100km/h in 3.7 towards a max speed of 332 km/h. A mind blowing beast, that will probably require you to break a bank for the cash … but we LOVE it! [via autoblog.nl]
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