I recently bought an xlr8 resonated cat back system for my 2008 Acura TL. I installed it but it isn't as loud as I've seen on videos that convinced me to get this exhaust over the ATLP. Almost sounds stock sometimes especially reving it high.Is there a break in period for these exhausts. Got 300 miles on it right now. Just wondering if im ever going to get that growl that comes along with this exhaust.
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