JDM Integra 4-1 exhaust manifold into Covic EK4


abgetz29

abgetz29

Member
Joined
Oct 12, 2013
Messages
49
Hello,
Does the JDM Integra 4-1 exhaust manifold fits on the civic ek4 cat plug and play ?
Thanks
 
No, it does not. The JDM manifold has a 2.5" collector, whereas the EUDM EK4 has a 2.25". Furthermore,the JDM cat is shorter than the EUDM one, but I can't remember if the manifold or midpipe is longer than our version.

Anyway - not plug and play.
 
Its the B pipe thats a different length not the manifold. Thats correct about the 2.25" and 2.5" collector size, and the JDM cat being shorter
 
My idea would be take the EK9 cat, and make the catback a little bit longer.
I think that should fit ?
 
You could need a EUDM length 2.5" decat or adjustable, easiest way out without cutting and welding. Although you probably don't want a decat?
 
No, an decat isn't legal here in Germany.
I think it would be the best option to take an ek9 cat, I'm looking for one at the moment, but these are hard to find.
 
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