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Old 11-26-2008, 01:23 PM   #23 (permalink)
dichotomous
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Join Date: Nov 2008
Location: vermont
Posts: 142

CivySi - '03 honda civic SI
90 day: 31.99 mpg (US)
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Quote:
Originally Posted by Christ View Post
My car has what I like to call a "Vortex black hole thingy" in place of the catalytic converter I know it's horrible, but there is a resonator with a double helix baffle inside it (read: DNA series performance mufflers) that quiets the exhaust flow without creating a lot of backpressure... the cat was plugged up, so I replaced it, since early Honda catalytic convertors look like resonators anyway.

I'm currently working on a way to put the OEM heatshield on my aftermarket header, too, so they can't see that at the inspection shop.

Less questions I have to answer about the car, the better.
I am very likely to do something very similar, if I dont just get a high flow cat anyways. I mean, the magnaflow spun mettalic cats are legal and have almost no restriction, you can read a newspaper through them
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