Jun 21, 2018 #1 V vlad411 Active member Joined Jul 4, 2007 Messages 8,229 Reaction score 0 Points 36 Balance Of Performance (BOP) systems commonly used in WEC, IMSA and Pirelli World Challenge get quite a bit of heat from drivers.
Balance Of Performance (BOP) systems commonly used in WEC, IMSA and Pirelli World Challenge get quite a bit of heat from drivers.
