Headers with stock cat? EK9 CTR


Stuart14

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Aug 25, 2024
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EK9 Type R
Hey everyone, I hope everyone is doing good today
I have a question regarding headers, I’m located in US and I got an EK9 not too long ago and it still has the stock exhaust manifold, it does have a catback, basically I would like to buy headers but keeping the oem cat, any recommendations? Seems difficult to find info about this on the internet or any suggestions to use any header with a high flow cat
 
Buy a manifold designed for the EK9. 96 spec DC2 should be the same and I'm on about the Type R, not GSR. Few brands make them. Just Google. Its not difficult. Definitely don't get something like DC Sports.
 
So Integra Type R headers will fit the ek9?
Thinking about just removing the catalytic just from looking the fewer options available, what would you suggest? Any brand?
 
So Integra Type R headers will fit the ek9?
Thinking about just removing the catalytic just from looking the fewer options available, what would you suggest? Any brand?
1996-1997 DC2, yes. The 1998 DC2 has a different length bottom flange. Have a look at your local shops like JHPUSA, Evasive, etc. See if they supply anything for the EK9. If in doubt, you can always email them.
 
Nice, thanks for the info! And by any chance do you know if civic si em1 99-00 header/manifold would fit the ek9? For example let’s say skunk2 or PLM would fit the ek9
 
Nice, thanks for the info! And by any chance do you know if civic si em1 99-00 header/manifold would fit the ek9? For example let’s say skunk2 or PLM would fit the ek9
No experience with Skunk2. I have a PLM Toda rep on my EM1, which has a 2.5" outlet. I basically had everything from the manifold back custom made. All 2.5" stainless and a high flow cat.

I know people have run into issues with aftermarket stuff and their OEM cat not working because the piping became too long or too short.
 
wIth skunk2 and plm and all tri-y headers you'll have to short the pipe of the existing exhaust you have ,spoon ,toda,feels,almost all jdm(not buddy club) are fine no need to cut anything in your exhaust pipe.

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