I have been searching for this question and I have not gotten any conclusive answers from what I am reading. My question is: Is the flange on the 92-93 exhaust manifold that connects to the catalytic converter oriented differently than that of a 94-01 integra? also, which 94-01 integra stock exhaust manifolds are a direct bolt-on to a 92-93 integra GS (meaning no modification required to any parts)? Thank you in advanced.
exhaust manifolds work the same on b18a1 and b18b1 motors.
I’m going to have to go look at my spare cat for my G2 but I think the bolt patterns are the same. The direct problem being length of cats in the two cars and of course pipe routing.
What are you trying to do? Put a g3 exhaust on your g2?
actually, i was working on a friend’s 98 integra gsr because his cat was clogged up. we bought another cat for his year teg and the orientation of the flange was not the same. they are both two bolt flanges, but the way the flange is turned is different than that of the cat we bought. i was wondering if the orientation of that flange is different between G2 tegs and G3 tegs. i’m thinkin’ the current header on his car is for a G2.
hmmm… I know that LS and GSR exahusts are faily close in relation for catback setups, as a matter of fact I installed a catback meant for a ‘00 GSR on a 94’ 4 door with only small modifications to the lengths of the pipes. That being said, the mid pipe to the cat bolted up just fine.
I’m thinking that you might have gotten the wrong part.
I can’t verify the differences in g2 and g3 cat alighment. From memory I would have to say that the downpipe to cat mating surfaces look almost the same, I can’t remember offsets tho
oh yeah, just gut the clogged cat and bypass the 2nd o2 sensor to get by for now.
i know that the header is not made for my friend’s 98 gsr. really, i’m just inquiring about the length of the downpipe for the stock header. i am pretty sure the header the car curently has right now is off of a 92-93 integra. the only thing that doesn’t match up is the flange to the catalytic converter. what i’m trying to figure out is which 94-01 exhaust manifolds are the exact same length as the 92-93 exhaust manifold so i would be able to just buy the correct manifold and swap it out.
header swap
what header did you end up goin with…i’m tryin to put a itr header on my ls…but it looks like there is a cross member in the way and i dont know if the 4-1 will fit next to the oil pan.