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The widebody kit is the obvious addition to the X5 xDrive48i’s otherwise conservative shell. The new front bumper, side skirts, fender flares and rear bumper make quite an impact. All body parts are manufactured from OEM quality PUR-R-Rim (aka polyurethane) and are designed to not only increase airflow to the brakes and engine, but also reduce lift on the front axle – which is important as G-Power rates the Typhoon at a top speed of 171 mph.
Inside those massive fenders, which increase the width of the X5 by 2.8-inches, are some impressively sized 23-inch wheels. Up front the wheels measure 11-inches in width and outback 12-inches. Both front and rear receive 315/25/23 tires.
As for the all-important engine modifications, G-Power worked with sister company ASA Engineering to develop a supercharger for the 4.8-liter V8. The ASA T1-521 hd blower bumps output by 170hp for a total of 525hp at 6100 rpm. Torque gets an equally serious boost to 443 ft-lbs at 5300 rpm.
Because of all the extra air the new supercharger introduces into the V8 engine at 8.7 lbs of boost, G-Power also upgraded the fuel system with high flow injectors and reprogrammed the ECU to make it all work smoothly.
G-Power claims a 0-62 mph time of 5.0 seconds with 124 mph coming in just 18.4 seconds.
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GALLERY: G-Power Typhoon
More on the G-Power Typhoon after the jump: