good set up?
02-19-2009, 08:20 PM
#1
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good set up?
got a b16a2 civic si with bolt ons, cams, port and polish. im getting itr headers (2.5) with a 2.25 obx high flow cat, and a greddy sp2 (2.36 piping). question is, would this be a good set up having the 2.5 inlet/outlet header and the 2.25 cat? thanks
02-19-2009, 08:25 PM
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Re: good set up?
my opinion is no cause cause basically u going from a great headers to not so great cat. All that power that u might have gain by changing the headers gets stuck at the cats if i would u i would take the cat out and have a 2.5 pipe all the way back. The drawback in that is that u wont have a can and might not be able to pass emissions but if u live in a place that they dont test for emissions it does not matter. Now there is another thing if u got straing out 2.5 piping all the way back is that ur going to have a check engine on the only way u can not have that is go with a obd2b jumper harness to obd1 and get a p72 or p28 and get it chip for ur set up and doing that will take ur govener out and u can adjust the time the vtec hits so more power.
02-19-2009, 08:29 PM
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Re: good set up?
i dont really think its a problem cuz i have a 3 in down pipe for my turbo and 2 3/4 after that all the way to the axle back....dont really see why it wont work but it sure did for my turbo setup...
02-19-2009, 08:32 PM
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Re: good set up?
legal by putting on a bigger header and doing modifications on a car u no longer fall in legal stats unless is complete bone stock which i seen but only for a day after that is so elegal that we pay to make it pass
02-19-2009, 09:24 PM
#7
Re: good set up?
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02-20-2009, 12:02 AM
#10
Re: good set up?
i sure didn't...
OP: it's fine.
and no, don't take out the cat, that is retarded. anyone who runs without a cat... i hope they die of carbon monoxide poisoning.
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