Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat

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Old Jun 2, 2006 | 08:50 AM
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Default what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat

sorry i threw so many repetitive words in the title, i wanted it to be searchable for later. its impossible to search for 'si' so forgive me if there is a thread like this out there i cant find it.

i like quiet oem reliability,so im just wondering what the size of the 99-00 civic si's exhaust. the other alternative is the itr exhaust.
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Old Jun 2, 2006 | 09:05 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

pretty sure its 2.25"

edit: 2"
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Old Jun 2, 2006 | 09:06 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

its 2"
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Old Jun 2, 2006 | 09:10 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

conflicting information... is it like the itr exhaust where it bottle necks and the exhaust flares out to 2.25 right after the cat? or is it 2in all the way through?

it would be awesome if any of it was 2.25 but that seems too good to be true.
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Old Jun 2, 2006 | 09:11 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

2". No doubt about it.
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Old Jun 2, 2006 | 09:15 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

i am having trouble finding the si muffler. the only mufflers i am finding from honda are the ex and the non ex and for each variation with 2,3,4 doors. so, is it the same as the ex muffler?
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Old Jun 2, 2006 | 09:16 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

it bottle necks at the 3 bolt flange after the cat, if you measure the outer diameter of the pipe after the cat it may be 2.25" BUT these pipes are dual wall the ID is 2", this also applys for the 99-00 civic headers
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Old Jun 2, 2006 | 09:18 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by thisisntjared &raquo;</TD></TR><TR><TD CLASS="quote">i am having trouble finding the si muffler. the only mufflers i am finding from honda are the ex and the non ex and for each variation with 2,3,4 doors. so, is it the same as the ex muffler? </TD></TR></TABLE>

the 99-00 2 door EX and Si exhausts are identical, 4 door and hatch are different lengths
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Old Jun 2, 2006 | 10:24 AM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sicones &raquo;</TD></TR><TR><TD CLASS="quote">the 99-00 2 door EX and Si exhausts are identical, 4 door and hatch are different lengths</TD></TR></TABLE>thank you very much sir

so now the question begs to be asked. what is the difference between the ex exhaust and the si exhaust? resonator size?

i think i might just try to chase down a ctr exhaust...
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Old Jun 2, 2006 | 01:59 PM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

i just said there identical
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Old Jun 2, 2006 | 07:43 PM
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Default Re: what is the oem size for a 99-00 em1 civic si civicsi exhaust midpipe muffler cat (thisisntjared

oh the whole exhaust, i thought you meant just the muffler indeed
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