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

Exhaust Size

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Old 09-15-2003, 07:28 PM
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Default Exhaust Size

I have a B18b in my 93 Civic and what size exhaust should i get ? I'm thinking 2 1/4 from the cat back. I'm also looking at which header is better and it's either Greddy or DC, anyone have any opnions ? Also should i get a high flow cat while i'm at it ?
Old 09-15-2003, 07:32 PM
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Default Re: Exhaust Size (Jmunk)

size all depends on mods but if your not F.I i'd stay 2 1/4
Old 09-15-2003, 07:34 PM
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Default Re: Exhaust Size (Jmunk)

either that or 2 1/5. these 4 bangers need back pressure
Old 09-15-2003, 07:36 PM
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Default Re: Exhaust Size (HXvtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HXvtec &raquo;</TD></TR><TR><TD CLASS="quote">either that or 2 1/5. these 4 bangers need back pressure</TD></TR></TABLE>

We've been over this NUMEROUS times...but I would go either 2 1/4 for a bolt on car or 2 1/2 for a fully built NA motor. 3 inch is for F/I.
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