The megan highflow cat - Bought
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Originally posted by wantaturbo
i bout the megan racing downpipe hig flow cat/ resonater or whatever for 100 bucks off ebay. i already have a smaller resonater on my cat-back exhaust. so now i will have 2 resonators? should i take of the one from the midpipe? will it pass smog after that?
i bout the megan racing downpipe hig flow cat/ resonater or whatever for 100 bucks off ebay. i already have a smaller resonater on my cat-back exhaust. so now i will have 2 resonators? should i take of the one from the midpipe? will it pass smog after that?
noooooo
TWO resonators is gooood!!!
I only have one, the cat and my exhaust is too loud!!
http://www.7thgencivic.com/forums/sh...hreadid=139109
His set-up is the same as you guys.
Guys with LX Kamakaze headers run with no cat and it is said they have to run 89+ octane - probably to prevent throwing a CEL or getting crappy performance.
His set-up is the same as you guys.
Guys with LX Kamakaze headers run with no cat and it is said they have to run 89+ octane - probably to prevent throwing a CEL or getting crappy performance.
Last edited by SlammedBlueEM2; Mar 21, 2004 at 01:11 PM.
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Rep Power: 374 Hah he's right, but instead of higher octane I put a valvoline fuel system cleaner in and the light went out.
I felt an improvement in acceleration as well.
I felt an improvement in acceleration as well.
Si(R) killer # 1
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Rep Power: 0 I have highflow cat and my cel has only come on on a few occasions since I've had the setup for like 2 months now. It hasn't come un in three weeks on 87 octane.
Originally Posted by SlammedBlueEM2
I got that from Top Speed. It's no different than HP's. Neither company actually produces the part, they just put their badge on it.
Top Speed's set-up that was popular looks like this:
Which is nothing but "HP" Racing's shorty 4-1 header.
The downpipe/cat is the same a Megan Racing's. Even Focuz has put their name on the same part. I wouldn't be surprised if all of these parts were manufactured by the original no name company.
My car doesn't smell that bad nor does the dp rattle. My car does rattle against my heatshield but its the 2.5 " custom exhaust piping hitting it. Who installed your dp? Also, I got a CEL the first day I had it then no CEL at all. Its been over 2 months since the install too.
Originally Posted by jamie_civic
is the magan racing 2.25' in and 2.25' out? just wondering cuz i saw some other downpipe that was 2.25' in and 2.5'out.
i know the dowpipe is the same in and out but not sure if the civic one is 2.25 but the si one is 2.5. I would assume its 2.25 for the civic. 2.5 is too big for a civic, to much back pressure would be lost. Just my opinion
stock downpipe should be around 1.75" or near there. thats the same adjustment guess for the OEM exhaust too
i got megan downpipe and no rattles from it. only vibration is the exhaust driving under puddle water
i got megan downpipe and no rattles from it. only vibration is the exhaust driving under puddle water
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