preludatic

Finishing up my H22 swap....

I did the research on the site.. but i have a few extra questions. I have the h22 header, but nothing from there to the cat.

My Si had a crappy Ractive header on it.. so i dont have my stock stuff anymore... So what do i need? Do i need the h22 downpipe AND flexpipe? im thinking so... if i have them, all i will need to do is enlarge the wholes on what? the flexpipe? or the h23 cat? TIA

yohan420

actually the length of the h22/h23 flex/down pipe is different

I think theres an inch alone in the CAT where the H22 cat is longer by an inch or something?

I've got a Vtec exhaust on my H23 and its bouncin off a control arm from my 4ws ..

the flange for the cat is different on H22/H23 models as well ..

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preludatic

any more responses from anyone else that did the swap?

4thGenReady2Go

my Exmag (made for the VTEC) did come awful close to the rear arm, but that was when the car was hoisted and the arm was at it's limit, still, we had to bend down one of the muffler hangers to adjust. As for cat flange, no modification of my H23 B-pipe side cat flange was necessary, it bolted right up to the exhaust, as for the A-pipe side of the cat flange, I couldn't tell ya. Sorry, not much help from me.

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