High flow Cat or Test Pipe?

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Mar 25, 2006 | 06:23 PM

#21

EH339

Senior Member

Joined: Nov 2003

Posts: 211

Likes: 0

From: Massachusetts

Quote:

Originally Posted by civictuner

Hey guys i have a 97 civic ex w/ like 105K miles on it, these gas prices are pissing me off and i think its time for a new cat. In a couple of months i'm planning on putting on a turbo, and i was wondering if i should go with a high flow cat. or a test pipe. Now if i go with the test pipe will that throw cel codes or no?

Why do you think you need a new cat? My original cat lasted about 270k miles on my 95 Si. Even then, it wasn't clogged, but one end rusted and broke off or something. Honda oem cats last a long time. Aftermarket ones, seem to last only two years before getting clogged up.