I've got a standard B16A2 setup on my EG9. My question is that if a exhaust manifold from a DC2 (Integra - Type-R b18c) would directly bolt on my car. Would my car benefit from this, or is it a useless mod?
yes it will bolt on. and yes it will be better than your stock b16 exhaust manifold. but you might have to modify your exhaust a little in order for it to bolt up to the collector on the header