Stock 99 civic Ex cat with a 99 si...

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Sep 9, 2005 | 11:23 AM

prototype 6th gen

Thread Starter

Junior Member

Joined: Jul 2005

Posts: 40

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From: Irvine, CA, USA

Stock 99 civic Ex cat with a 99 si...

hey guys, I was wondering if a stock 99 ex cat will work with a 99 si? Have to smog my car soon and can't seem to find an si cat

Thanx

Sep 9, 2005 | 11:27 AM

Sijray21

Honda-Tech Member

Joined: Nov 2002

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buy my car, then you'll have an Si cat along with a parts car

Sep 9, 2005 | 11:33 AM

prototype 6th gen

Thread Starter

Junior Member

Joined: Jul 2005

Posts: 40

Likes: 0

From: Irvine, CA, USA

Re: (Sijray21)

Hehe, yeah.....well, I don't really want to pay that much for a cat but thanx anyways

Sep 9, 2005 | 11:45 AM

gftgrill

Joined: Feb 2004

Posts: 383

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From: Overland Park, KS, USA

they have the same part number, so I'm assuming that means they're the same.

Sep 9, 2005 | 01:05 PM

igone916

Honda-Tech Member

Joined: Jul 2002

Posts: 469

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From: Stockton, CA

Re: (gftgrill)

yes, they same number...wow on this website its listed for $863....

http://www.hondaautomotivepart...+PIPE

Luckily I one for $250 rebuilt...needed one for smog...but now I just take the new cat out and put it back on when I need to smog...Dang the cats wit the 02 senors in them are expensive...good luck

Sep 11, 2005 | 10:03 PM

prototype 6th gen

Thread Starter

Junior Member

Joined: Jul 2005

Posts: 40

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From: Irvine, CA, USA

reply

Ok, so I guess what I have will work then. Thanx for the help guys

Sep 11, 2005 | 10:31 PM

saxqtzk

Honda-Tech Member

Joined: Jun 2004

Posts: 804

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From: New Jersey, NJ, USA

Re: reply (prototype 6th gen)

it will work. I have a 00 Si cat on my 98 ex. The only major difference is on the ex cat the o2 sensor placement is more towards the rear while the si cat is more towards the middle.