Vauxhall to show carbon-fiber 297 hp Astra VXR Extreme
• gizmag.comStart with a Vauxhall/Opel/Chevrolet/Saturn Astra VXR, shed 100 kg by replacing metal with carbon fiber, then pump its 2.0-liter turbo engine to 297 hp (221.5 kW), upgrade the suspension wheels, tires......
