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What about the part the connects the header to the cat? I've got the stock exhaust manifold on there right now, but it's not connected to the cat (missing the pipe that goes there). Thought if I just got a header that problem would be solved, and I could just use the rest of the stock exhaust system.b16, b18, b18c1, b18c5, b20.
B series is B series.
Well here's the problem, it appears that in B16 headers for Del Sol VTEC's and 99 Civic Si's, the flange needs to be rotated (which I'd rather not do). I haven't heard whether you need to rotate the flange on integra headers though. If you've had no trouble just bolting on a header in your CRX, then what brand and model do you use?A header will bolt to your cat. I don't see where the confusion is? It's possible you'll have to take it to an exhaust shop to get your exhaust extended/shortened, but I've only heard of people doing that. I've never had to do it myself.