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Stupid Exhaust Question...

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Old Sep 13, 2003 | 11:48 AM
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Default Stupid Exhaust Question...
Real quick, I have a 3" cat-back exhaust with a 2.5" muffler on it. Will my performance be hindered due to the muffler being a smaller diameter?
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Old Sep 13, 2003 | 12:08 PM
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ka or sr?
2.5" is good for the ka, and bigger is usually better on a turbo.
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Old Sep 13, 2003 | 12:17 PM
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SR...sorry forgot to mention. How much hp do you think I'm losing by going with this setup?
Last edited by Evangelion; Sep 13, 2003 at 12:22 PM.
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Old Sep 13, 2003 | 12:54 PM
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what other mods do you have?
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Old Sep 13, 2003 | 01:10 PM
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FMIC, intake.
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Old Sep 13, 2003 | 01:28 PM
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I'm not an expert, but if it's an aftermarket straight pipe I'll say maybe 10whp.
It also depends on if you're tuned yet, and if you're tuned w/ a 3".
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Old Sep 13, 2003 | 03:18 PM
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with that set up, very minimal loss
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Old Apr 27, 2005 | 06:22 PM
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maybe a small 5-10hp loss but if u can find a 3" muffler it would bring some of it back.
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Old Apr 28, 2005 | 11:52 AM
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why wouldnt it have a 3" muffler?

god, "stupid question" was pretty on point.
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