EK9 exhaust

baz · Post by **baz** » Tue Mar 22, 2011 6:23 pm

lelouchvi wrote:Baz, when you have time can you post some picture or video? =] it would be a great help/ guide for others and me

Hi man,

Yes, pics and video is possible. The video mainly for the sound i suppose and pics for the looks?

hondaNickx · Post by **hondaNickx** » Tue Mar 22, 2011 10:58 pm

2 donut gaskets of id 50mm

So the rear backbox connection is reduced to 50mm on the ek9 exhaust ?

lelouchvi · Post by **lelouchvi** » Tue Mar 22, 2011 11:10 pm

Yea that will be great baz =] keep up the good work

hondaNickx · Post by **hondaNickx** » Wed Apr 13, 2011 10:47 pm

So i got the EK9 midpipe over here and measured it all around.

EK9 exhaust is 2.25" not 2.5" .
The outside diameter is 57mm and the tubing has a wall thickness of 1.5mm which makes it 54mm Inside diameter.

It also has 2 bottle necks .1 up front where the catalytic connects at the triangle flange. It narrows down to 51mm inside diameter and then opens up to 54mm inside diameter.
The 2nd bottle neck is at the rear where the backbox gets connected to the midpipe.It narrows down from 54mm inside diameter to 48mm inside diameter.After that the oem ek9 backbox opens up again to 54mm inside diameter.

I'm replacing the 2 steel rusty flanges for stainless steel oem copied flanges.Cause the oem steel ones where rusty as hell and they were getting thin.Also going to treat the whole exhaust line which makes stainless not rust.This way it can last another 10 years

Post by **Dodo Bizar** » Thu Apr 14, 2011 8:14 pm

Shouldn't I just build DU-wiki? You got so much usefull info Nick.

mynameisowen · Post by **mynameisowen** » Fri Apr 15, 2011 12:12 pm

Dodo Bizar wrote:Shouldn't I just build DU-wiki? You got so much usefull info Nick.

YES!! and then all the information will be one place not all over the site! We do need to sort it so that newbies can see all the relevant information in one place. Something like the articles you wrote ages ago but updated with all the new stuff we've learnt.

Post by **Dodo Bizar** » Fri Apr 15, 2011 1:57 pm

Yeah I'll do that... I try to seek things out this sunday.

pardizzle21 · Post by **pardizzle21** » Thu May 31, 2012 7:48 am

hey people, i think its already mentioned but i cant find a definate answer.

Are Integra type r dc2 back boxs a straight fit onto ej9?I think i heard they are the same as ek9 back boxs which are a straight fit

thanks

Post by **saxophonias** » Thu May 31, 2012 9:05 am

You mean straight bolt on? The tubes are bigger than your stock exhaust. You will need custom work i guess

pardizzle21 · Post by **pardizzle21** » Thu May 31, 2012 8:15 pm

hi sax, do you mean the width or tubing or the length?

Width shouldnt matter as im currently running a near stock size mid pipe with a oversize backbox and it fits fine, no leaks etc.

Length should be a problem, my friend is a welder

let uno what happens, thanks

EK9 exhaust

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