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View Full Version : Is a high flow cat necessary?



smallkid
08-02-2004, 01:15 AM
Hey guys.

I am going to put a 2" exhaust systems for my Civic 1.5GLi. I've got a Trust muffler to go with it.

My question is, is it necesary to fit a hi flow cat into the system? I have asked around a few shops and I've got different feedbacks. Some shops say I don't need one since it's only a 2" piping.

If you guys were to realise, I didnt mention anything about the headers. I don't know of any good headers to fit my D15B7 engine. Any help guys? A shop has tried to sell me one witht eh brand Madcatz or sumthin like that. Any good?

LatinoHatchCrap
08-02-2004, 11:01 AM
i would get an intake and headers, and then would consider a high flow cat...from my experience high flow cats tend to wear out really fast if you dont tune a/f ratio...gl