 Complete the following phrase:  The car was launched on 31 January 2015. Toro Rosso introduced an extensively modified STR10 for the final pre-season tests at the Barcelona circuit in late February, with a shorter nose, new aerodynamics and a new suspension. According to the teams technical director, James Key, this revised STR10 was actually the real racecar. The car proved quite competitive throughout the season, managing to score 67 points and a pair of 4th places for Verstappen in the 