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okay so i've searched and i didnt find anything specific... who makes a downpipe for our 01+ civic ex! i found one but i cant find the website i saw it at! thanks!

 
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only one i have seen besides custom is on ebay being sold as hks-a downpipe

 
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does anyone know if the hks-downpipe actually fits and works well?

 
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if you have an ex you can try http://www.randomtechnology.com/ , I believe they made a downpipe and cat for our cars.

 
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also does it have the 02 sensor or would i have to get simulator just like with the hpracing downpipe

 
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Random Technology has the fittings for the O2 sensors. Mine is on it's way (I think). They were on backorder, but they told me they were going to have them made and shipped this week.

 
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My friend got his on ebay, fits fine. But be prepared for a loud exhaust.

 
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did ur buddy have an EX 5 speed?

 
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there was a member that got the random technology downpipe and had fitting problems

 
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do the hks-a downpipe pass smog?

 
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i asked the guy who is selling hks downpipe on ebay if it passes smog check and he said yes but dont know about visual test. im gonna get the downpipe soon.

 
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you won't pass smog.

 
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I asked him too. I think they redesigned it though. I bought one... but I have an LX, so I can't tell you if it will bolt up correctly to the manifold. But the measurements are good for me to bolt it up to my exhaust (cat-back for the EX), and use the hanger. The connection to the header doesn't matter to me though because it's getting connected to a downpipe from the turbo. But if anybody wants pictures and exact measurements to see if it would fit, let me know.

 
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yea definitely let us know if random technology redesignd their downpipe. i was quite disappointed when it didnt fit properly

 
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oh lord. dont get mad. im a huge, i mean huge noob. just wondering wut is a downpipe, wut does it do? and if u get an aftermarket one, will it be street legal and gain hp?

 
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i got the HKS-a downpipe used for like a month willing to sell it for just 100 i also have the 02 sensor janw for an extra 10 buckz..holla at me if u want