I was doing some spirited driving with Biff Grissel and he's got a Dinan tune and exhaust....dude was pulling pretty fast! Iam surprised you want to ditch the dinan tune.
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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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