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German firm SpeedArt have released their latest tuner job of the Porsche 997 Turbo.  The SpeedArt BTR-II 650 EVO features a horsepower boost of 150 PS (110 kW / 148 hp), and torque increase of 150 Nm (111 lb-ft).

This brings output to 650 PS (478 kW / 641 hp) and up to 650 Nm (479 lb-ft) of torque.  If the overboost function is still available, that could potentially raise torque to a maximum 699Nm.  These power figures were achieved by changing the engine's computer, and using larger VTG turbochargers.  New headers, catalytic converters and tailpipes are part of the sport exhaust.  A new air filter and bigger intercoolers were also used.

The result is a 0-100 km/h time of 3.2 seconds, and a new top speed of over 330 km/h (205 mph).

Needless to say, these speeds mean the brakes might run a bit hotter when used.  For that, the company designed a front bumper that provides more air to the brakes.  Also attached is a new front spoiler, side skirts, rear diffuser, and adjustable rear wing.

Engineers installed an adjustable sport suspension.  To reduce weight, the company used Light Spoke Competition (LSC) forged twin-spoke wheels.  The wheels measure 8.5x20" front and 12x20" rear, and are available in several different colors.

Other available options include a new steering wheel with paddle shifters to control the PDK transmission.  Carbon fiber sport seats are availble in fabric, leather, and Alcatara, with the textiles available for other parts of the interior.  Carbon fiber trim is also used.

Gallery: SpeedART BTR II 650 EVO Pumps Porsche 911 Turbo Facelift up to 650 hp

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