Porsche has revealed an upgrade package developed by Manthey-Racing for the 911 ... the GT3 RS's 4.0-liter flat-6 still pumps out a stock 518 hp, with drive sent to the rear wheels via a 7-speed ...

UPDATE: The 911 GT3 R Hybrid ... the racer Porsche offers to privateers can be used for the Hybrid. Not only that, but the two 75 kW motors mounted up front and powering the front wheels are ...

Porsche's groundbreaking 911 GT3 R Hybrid will make its return to North American racing. Porsche has announced ... this energy is sent to the front wheels to supplement the power cranked out ...

The 9000-rpm flat-six song continues, while the GT3 gets a surprising number of practicality improvements and lightweight ...

Carbon aero wheel ... and racing brake pads enhance handling and stopping power. Manthey, which collaborated with Porsche’s Weissach R&D team, hasn’t yet challenged the stock GT3 RS’s ...

a sporty steering wheel, and supportive racing-style seats. Whether you're hitting the track or cruising down the highway, the Porsche 911 GT3 offers the perfect blend of luxury and performance.