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Tuning firms will certainly do whatever they could to draw out every last piece of efficiency feasible– it’s their nature. What Renntech has managed with the GT S in the short time that the vehicle has been on sale is remarkable.
Previewed on the GT S provided at SEMA are a range of upgrades Renntech will provide for the car through a brand-new series called the R-Performance Line. Three stages have currently been announced: R2, R1 and also R3.
