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Old Jul 30, 2006 | 01:40 AM
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Default I need help

in my country it is illegal to have loud exhaust sound for a street car. and i am planning to add headers X-Pipe and a cat-back.
is there any way that I can get the performance of headers, X-Pipe and cat-back without having a loud sound?

is there any quiet cat-back system? or maby another solution?
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Old Jul 30, 2006 | 01:46 AM
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Why not just keep the stock exhaust behind the headers if performance is the objective? Cat-back won't make any power anyhow.
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Old Jul 30, 2006 | 01:57 AM
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what I see from threads that it adds around 10 rwhp. isn't that true?
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Old Jul 30, 2006 | 08:35 AM
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True only in the dreams of the manufacturers and vendors who sell them. Maybe 2-3 additional horsepower with something like Bullets, but no more.
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Old Jul 30, 2006 | 08:54 AM
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I have headers and stock exhaust and the sound is not that dramatic. You should be good with that set up.
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Old Jul 30, 2006 | 10:27 AM
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Originally Posted by fredgpowell
I have headers and stock exhaust and the sound is not that dramatic. You should be good with that set up.


Bob Amick
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Old Jul 30, 2006 | 01:06 PM
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Thanks guys
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Old Jul 30, 2006 | 02:47 PM
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Install cut outs..............safe when needed!
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Old Jul 30, 2006 | 02:51 PM
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If you need it absolutely quite and you still want an exhaust you could try the corsa touring...but they do not work with headers because of the resonators.

I would for sure get headers and skip the exhaust if i was in your situation...cat back wont give you much hp
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Old Jul 30, 2006 | 09:10 PM
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The corsa sports are not loud unless you are at WOT. I have LG's xpipe high flow cats and corsa sports and it sounds just a little louder than stock at idle
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Old Jul 30, 2006 | 09:14 PM
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Try and get a sound bite of Corsa Touring. Quiet at idle and cruise, wicked loud at WOT.
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Old Jul 30, 2006 | 09:18 PM
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Originally Posted by johnodrake
Try and get a sound bite of Corsa Touring. Quiet at idle and cruise, wicked loud at WOT.
He wants headers though.
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Old Jul 30, 2006 | 10:40 PM
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I have heard the sound of corsa touring with headers and I think the best way for me is to have headers and X-Pipe and leave the stock cat-back
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Old Aug 1, 2006 | 12:28 AM
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Originally Posted by fredgpowell
I have headers and stock exhaust and the sound is not that dramatic. You should be good with that set up.
I don't get it. Headers can produce how much HP with stock pipes. What would be the reason for this set up? I though cat back would be first option w/o being to radical and if u want to be that then headers. Any thoughts guys?
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Old Aug 1, 2006 | 08:16 AM
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Headers will give you the same power gain with or without an aftermarket catback exhaust. The OEM exhaust is very efficient, it's just too quiet for those who like a deeper/louder exhaust sound.
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