Thread: new exhaust = too loud, any thoughts?
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Old 04-13-2020, 09:03 AM   #5
thstone
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Join Date: Nov 2010
Location: Los Angeles
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Quote:
Originally Posted by BYprodriver View Post
I would put the stock muffler back on for best power.
Why? My dyno test data (before and after with no other changes) shows that the Top Speed cat back muffler increases power over the stock muffler (not by a lot but by a measurable amount none the less).
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