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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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Why did Santa Claus buy a BMW M5 instead of an M4? Because he needed the back seats for his Ho Ho Ho's.