Superchips Tunes New Astra VXR / OPC to Over 300 HP
30 Jul 2013, 08:33 UTC · By: Mihnea Radu / What's better than power? More power, of course! The Vauxhall Astra VXR already has a lot of it, since its 280 PS put it above all of its rivals in terms of output, save maybe for the radical a...