Is it safe to remove my CAT?
NASA-VA Hyper-Announcer
Joined: Feb 2004
Posts: 414
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From: Cary, NC
Originally Posted by A_PHOBIA
there is ill effect...."you need a certine amount of backpressure"
it's my D in a B
Joined: Aug 2001
Posts: 24,787
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From: Your Mom's House
Originally Posted by Solracer
That is a internet myth, back pressue is a bad thing to have in an exhaust period, ask that questions to some of the People from SMSP or Hytech and the will laugh at you.
Registered User
Joined: Jan 2004
Posts: 89
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From: Lakewood
Originally Posted by 93HybridCX
I don't think you are getting his point..........a 4 cylinder such as your civic CX has one header (not headers). 
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Registered User
Joined: Feb 2004
Posts: 59
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From: Wildwood, MO
Random Technologies and Powercore are two brands which make high flow cats. They're both 50-state legal, but that's just what makes me wonder if they'd even do much. And they're both well over $200 which is pretty steep for something that "might" give you some more hp.
it's my D in a B
Joined: Aug 2001
Posts: 24,787
Likes: 1
From: Your Mom's House
Originally Posted by Gearheaddave
About that,,,, I have a pair of headman headers on my D16Z6 its 2 totaly diffrent pipes, one goes to the #1 and #3 and the other goes to the 2 and 4... That is why I have dual exhaust..... And I had a high flow cat on it when I did a smog test and it passed with flying colors, I took it off and went to dual and I ran the same readings for Smog..... So I dont really know if a high flow cat even does anything but look like a cat...
