Advice needed on Exhaust Mod for EX Auto

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Jun 24, 2004

Deadkookaburra

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Advice needed on Exhaust Mod for EX Auto

hi i m intending to change the headers + muffler of my 03 civic EX auto trans.

Please advice me which option or setup is best for auto?

1. sports header -> stock cat -> silencer -> operated muffler

2. sports header -> modified hi-flow cat -> silencer -> operated muffler

3. sports header -> modified hi-flow cat -> operated muffler

i m aware for 03 the Oxy sensor is extremely sensitive, a modified hi-flow cat maybe caused the sensor lights to turn on.

Also being an auto trans, back pressure is a concern for straight free flow muffler.

Please help advice or comment. Thanks.

Jun 24, 2004

Master

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http://7thgencivic.com/forums/search.php? this will help you it is called the SEARCH exhaust. Sure you only have 2 posts but just helping you out now so you don't get flamed in the future.

Jun 25, 2004

Deadkookaburra

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Quote:

Originally Posted by Master

http://7thgencivic.com/forums/search.php? this will help you it is called the SEARCH exhaust. Sure you only have 2 posts but just helping you out now so you don't get flamed in the future.

maybe u can help me point to the thread link. I donot find any under your suggestion which can solve my query.