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Hi-Flow Cats too loud!

Originally Posted by 2fast4thelaw Have any of you felt that when you install Hi-Flow cats that it makes the Z a little to loud? I have a Gen3 intake, Stillen

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Hi-Flow Cats too loud! Hi-Flow Cats too loud!
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Old 08-21-2009, 12:12 PM   #4 (permalink)
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Originally Posted by 2fast4thelaw View Post
Have any of you felt that when you install Hi-Flow cats that it makes the Z a little to loud? I have a Gen3 intake, Stillen HFC's, and a Stillen CB and it makes my car really loud when I tromp on it! I am almost considering putting the stock Cats back in to tone it down a little. I like the power gain and greatly improved throttle response and top-end but I am not sure I like the sound.
No!! That sound is wonderful!! Yes, it is louder than stock. And through some revs, the resonance is a real "drone", but I love it. As I mentioned in an earlier review, the 370 (with the Stillen exhaust mods) is not a car that you should try and have a conversation with someone who is hard of hearing...
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