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      01-01-2013, 02:40 PM   #15
RPiM5
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Drives: Mexico Blue F10 M5(Mika)
Join Date: Apr 2012
Location: Sunny San Diego

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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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