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Debating on which exhaust
Hi new to the forum, but I have a 2013 whiteout FRS that I absolutely love, just wished it had a little more grunt and power to it. So I was thinking about changing out the exhaust, which would most likely be a catback system. I was wondering if anyone out there has had experience with Greddy and or Flowmaster in terms of performance. Any help would be appreciated.
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