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      01-01-2013, 03:40 PM   #15
RPiM5
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Drives: Riviera Blue F10 M5(Mika)
Join Date: Apr 2012
Location: Washington, D.C.

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Sound wise, the Eisenmann Race System was my favorite even though it was only a section 3 exhaust. However, I still love the RPi GT though because the added power is just so insane. RPi told me that during their dyno testing, they saw momentary gains of up to 39whp. I just wish is was as loud as the Eisenmann!
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All I know is that the next generation M5 is going to be so much faster than the F10 M5 the way that the F10 M5 is so much faster than the E60 M5 and so on.
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