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DURATEC Performance (2003-2007) The place to chat about any Duratec 23, 23E, and 20 engine performance, tuning and exhaust related upgrades.

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Old 10-03-2012, 01:58 PM   #21
I hate dents!
 
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Originally Posted by grayzx35speed View Post
Thatd make an aftermarket header impossible.
yea , well i guess its good i dont have to deal with that
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Old 10-03-2012, 11:05 PM   #22
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If you plan on changing your header out you will.xD Or if you boost it itll fail visual. The cat after the header is safe to keep on because itll allow you to pass inspection in -most- states NY in example runs an ECU check and a visual check. In my case the 2nd cat is the safest to keep on. In TX you mayonly have the visual but keep in mind that header cat has to be there if you keep it as the one you want for the visual. So that means the header cat being your end all for the visual ends in no header or even no turbo.xD
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Old 10-03-2012, 11:27 PM   #23
I hate dents!
 
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If you plan on changing your header out you will.xD Or if you boost it itll fail visual. The cat after the header is safe to keep on because itll allow you to pass inspection in -most- states NY in example runs an ECU check and a visual check. In my case the 2nd cat is the safest to keep on. In TX you mayonly have the visual but keep in mind that header cat has to be there if you keep it as the one you want for the visual. So that means the header cat being your end all for the visual ends in no header or even no turbo.xD
lol no what im saying is my state doesnt have emissions laws , never even heard of that untill i started going on these forums . man i can only imagine having to deal with those restrictions while trying to build a racer. iv lived in the motor city forever and im so used to all the freakin hot rods and ozone-rapists , its basically bred into me . but yea i stil plan on gettin a header , but i think ima get the sct first , im really just lost as to what to do next since im just starting out . iv only gotten a catback and made a stealth cai so far , but as soon as i felt the gains from those two things i was hooked . i have a feeling this car is going to cost me an unholy amount of money
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Old 10-04-2012, 12:56 PM   #24
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I went out to my local Emissions Testing center and what they told me was that they do a visual test for both cats, they test my computer for any changes, and they test the actual exhaust coming out of my tail-pipe. Doesn't look like it'd be possible to do ANYTHING after with headers or back except a catback. Thanks for tossing the idea around for me though
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Old 10-04-2012, 08:43 PM   #25
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Well I have the fswerks street and I think it sounds great , itd be a perfect fit for your situation

Sent from my SPH-M820-BST using FF Mobile
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Old 10-04-2012, 09:31 PM   #26
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I went out to my local Emissions Testing center and what they told me was that they do a visual test for both cats, they test my computer for any changes, and they test the actual exhaust coming out of my tail-pipe. Doesn't look like it'd be possible to do ANYTHING after with headers or back except a catback. Thanks for tossing the idea around for me though
Sounds like the only thing you could do is ditch the log mani/convter & replace it w/ a 23ST manifold/conveter. It flows alot better than the log you have now. Or you could try a 23 Escape one too.
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Old 10-05-2012, 11:01 AM   #27
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Looks like youre screwed as far as any exhaust upgrades, unless you get a hi flow cat cat back and Im not sure about this but you might be able to find a hi flo header cat.
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