SLP GNX
Buick Grand National to Return as Regal GNX by SLP
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Street Legal Performance (SLP), the boys known for beefing up muscle cars, are hatching a plan to bring the Grand National nameplate back to Buick. SLP recently acquired the rights to “GNX”, a Buick name that carries with it quite a bit of power. SLP plans to use it on a sports performance tuned Regal…






