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Originally Posted by BigBronco basic performance upgrades
this more so fits things like supras or boosted car applications. somewhat those little mods they do to the car that give a GOOD amount of power gain for cheap. like on an 03 cobra for instance. a chip, pulley, intake and exhaust are considered BPU..
cause almost all of them have that!! 
hope that helps
Gray |
Thanks!!! that really does... I had NO CLUE!!!