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I thought they were exact M5 headers because of what is pressed or etched into the header. Looks like a part number of some sort?? What can we expect to pay for headers like this?
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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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