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      02-14-2012, 09:59 AM   #5
BiG22DuBz
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Drives: X5M
Join Date: Nov 2011
Location: Sunny SoCal

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The ESS tune works just like u said....plug and play. Im sure you can adjust the parameters of the tune if you know what youre doing. Honestly i believe the Akra catback is too expensive. Try RPI or Eissenmann for exhaust. I just ordered a custom catback exhaust with valves from a shop in LA called Gintani. Fat polished tips, polished pipes, remote controlled exhaust valves to make quieter or louder.
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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)

Last edited by BiG22DuBz; 02-16-2012 at 01:27 AM..
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