will a 91 Civic Si cat fit on an EM1? (00 Si)??
Thread Starter
Joined: Sep 2004
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From: Fullerton, CA, USA
will a 91 Civic Si cat fit on an EM1? (00 Si)??
Hey guys, i need a new cat, and i found someone in my area with one, but its off a 91 Si....will it fit my car? i REALLY need one and this guy is like a block away from me....i have DC 4-1 headers...and a GReddy Evo cat back....so will this cat fit between the two? his thread is here:
https://honda-tech.com/zerothread?id=1191204
https://honda-tech.com/zerothread?id=1191204
Junior Member
Joined: Feb 2003
Posts: 70
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From: Billings, MT, USA
Re: will a 91 Civic Si cat fit on an EM1? (00 Si)?? (jdmBOMEXsi)
Lenthwise, it should fit, and the pipe diameter should be correct. BUT the cat on the 91 si will not have a provision for the post-cat o2 sensor......
Hope this helps
Ryan
Hope this helps
Ryan
Honda-Tech Member
Joined: Jan 2004
Posts: 8,732
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From: Ft. Hood
Re: will a 91 Civic Si cat fit on an EM1? (jdmBOMEXsi)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmBOMEXsi »</TD></TR><TR><TD CLASS="quote">ohh damn thanks man 
</TD></TR></TABLE> Us OBD-0 children are not very big fans of those O2 sensors all over the place....pre-cat, after-cat, in-the-cat, in the back, you get the idea.
</TD></TR></TABLE> Us OBD-0 children are not very big fans of those O2 sensors all over the place....pre-cat, after-cat, in-the-cat, in the back, you get the idea.
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