Honda Civic DIYs and Civic Tech ChatHonda Civic DIYs and Civic Tech Chat - for the true gearheads! Bring your wrench, it's time for some Honda Civic DIY projects! Questions about problems with your car do NOT go here.
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You keep saying "ex head" Your ex head and lx head and dx head all have the same bolt pattern, so you dont need to change the head to change the manifold that bolts to it. I think your also getting the parts mixed up a little- you cant weld a cat onto a header... well, I guess you could, but that would just be stupid and it would probably be an inch from the pavement so you couldnt run a cat back. Here is how the parts go:
Engine Head> header (exhaust manifold)> Downpipe with cat converter in it (this is one piece of pipe with flanges on either side and the cat in the center [if you cant get a hold of an OEM downpipe with cat, get the Random Tech pipe, OR get a test pipe and a universal weld-in cat], then your cat back exhaust system.
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Ok, that would work but I would like to avoid having the CEL on if possible, so looks like I should get a test pipe w/ a weld in cat
I'm assuming these universal cats have O2 sensor positions...right?
Anybody know any good websites for downpipes or universal cats?
Do any local places like Auto Zone or Advance Auto carry them?
What would the disadvantages of the Random Tech test pipe....besides the CEL?
Would I be able to smell the exhaust real bad?
Would it be super loud?
Last edited by Mavrick272; 02-23-2009 at 05:44 PM.
Ok, that would work but I would like to avoid having the CEL on if possible, so looks like I should get a test pipe w/ a weld in cat Get a test pipe and weld in an universal cat if you want, or pick up the RT pipe that already has it welded in for you and will bolt right up to your exhaust with no bullshit
I'm assuming these universal cats have O2 sensor positions...right? you'd have to take that issue up with your test pipe. The weld in cats are just a blob of catalyst that is placed somewhere in the length of the pipe, no O2 sensors actually screw into it- there are two that need to be in the exhaust stream, one before the cat and one after.
Anybody know any good websites for downpipes or universal cats? Just search... theres bunches of websites. Search "Random tech" + the model year of your car... you'll get all your answers there.
Do any local places like Auto Zone or Advance Auto carry them? they will sell universal cats most likely, yes
What would the disadvantages of the Random Tech test pipe....besides the CEL? the RT pipe is not a test pipe... a test pipe is just a pipe WITHOUT a cat, the RT pipe has a cat... and with that cat, you wont need to worry about tricking your 2ndary exhaust sensor, which may or may not work and will probably give you several cels
Would I be able to smell the exhaust real bad? with just a test pipe, yes... with the RT pipe, no
Would it be super loud? with a test pipe yes, with stock no, the RT will be somewhere inbetween with a health exhaust note
That second link is what you need, or at least the type of product you need (did you say you had a 6th gen or 7th gen?). Here is a list of the part numbers of RT products that are downpipes with cats: http://www.randomtechnology.com/honda.html
That header is a race header, a 4-2-1, which will make it so you cant run the RT downpipe... or at least that is how it is on the 7th gen. I'm not sure exactly how your exhaust system looks on the 6th gen- get pics of the ex header and front part of the exhaust and I can tell you. But on race headers they usually bolt right up to the begining of the cat back.
Press the balance that is on ever post by other people, if you hover over it, it should say reputation... click "I approve" and type a message on why w/ ur name.
Quote:
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