Oosthuizen improves driving with new Project X Hzrdus shaft

Louis Oosthuizen used the new True Temper Project X Hzrdus driver shaft at the U.S. Open. ( Getty Images )Oosthuizen improves driving with new Project X Hzrdus shaft

Louis Oosthuizen used the new True Temper Project X Hzrdus driver shaft at the U.S. Open. ( Getty Images )SAN DIEGO –– Louis Oosthuizen, winner of the 2010 Open Championship, used a new driver shaft when he made five birdies in a row in the final round of last month's U.S. Open.

This shaft, which has gone by several code names, now has an official name: Project X Hzrdus (yes, it is pronounced Hazardous).

Oosthuizen lost the U.S. Open by one stroke to Jordan Spieth, but he was not unhappy after he rebounded from an opening 77 with…