very interesting to see how the SC and NA compare on a track. i know that ess has already added more power to the 535 kit to make it 550. perhaps they made it more responsive with the new tune.
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ESS | Challenge x-pipe | Akrapovic | Stoptech BBK (380/355) |Ohlins R&T | Dinan | Vorsteiner | Downforce USA | Varis Diffuser | Gintani | UUC | BMW Performance | Macht Schnell | Forgestar F14's SDC 19x9.5F 19x11R | 255.35 295.30
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