Throwing on downpipes and a tune will give you some serious gains. Ran 13.4 a few months ago due to a boost leak but should be around 12.0 now
I can take on a stock Z06....you will too.
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2014 M5...AMS downpipes, BMS tune, lead foot
2011 X5M....Downpipes, exhaust, dyno tuned
2008 Ducati 848....pearl white, Termignoni exhaust
CLS55 and C6Z06 (previous rides)
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