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Quietest exhaust

Phoenix

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It wasn't, but goal was performance not sounds, unfortunately, cats kill
i made 700whp on stock manifolds and cats. ran 129mph in the quarter on them as well launching off the footbrake.

they dont rob as much as people think.
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Cobo_pro

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Another vote for stock cat back....mine is perfect for me. Loud when I put my foot in it...sneakable in/out of my neighborhood at 2am
I'm going FI though...
 
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Cobo_pro

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i made 700whp on stock manifolds and cats. ran 129mph in the quarter on them as well launching off the footbrake.

they dont rob as much as people think.
700 rwhp you should be trapping in the 140s though. Unless its 700 dynojet, of course
 

Rhamlinii

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Stock manifolds, w/cats, x pipe, and stock muffler are quite.
 

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Rhamlinii

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Cobo_pro

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It is coming in this week, not installed yet, will post mustang Dyno numbers shortly=)
 

AlmostFamous

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Thanks for the suggestion, any performance loss?
I've read many good things about the solo stealth mufflers with guys with big horsepower setups going for the sleeper look. Are you wanting quiet as in zero rumble, just the faint sound of compressed air?
 
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Cobo_pro

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I would prefer as quiet as I can be without sacrificing performance. I have a DD, and don't like attention, but I love the power. There in lies the problem lol
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