Thread: E82 1M Exhaust system database
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      04-11-2014, 04:52 PM   #136
Piets94
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Drives: 94 M3, AW 1M, M2 CS
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Quote:
Originally Posted by GMP Performance View Post
Impressive gain!
Yeah, I was pleasantly surprised. It's really a bonus as it sounds awesome! The dyno operators were shocked as well, have never really seen such a gain on this car with exhaust alone
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