Couldn't find a way newbie message icon but you get the idea. I recently came into possession of a 91 Accord Ex with an H23A1, DC Sports 4-2-1 Header, FOCUZ muffler (don't know how much of the exhaust was changed out) and a short ram intake. The muffler is way loud so I am thinking about getting a cat-back for this. Any suggestions? I am way new at this but car is a lot of fun. The previous owner pulled his NOS and audio when he sold it to the guy I got it from (about 3 weeks later). I am not looking for noise or sound, just don't want to lose any HP. What next?

You sure its got a H23? If its swapped chances are it might be a H22.

Either way, teh RS*R Ex-Mag is nice and quiet.

Yeah, it's a H23, I got the code off the motor. i have been all over the boards since I got the car trying to learn everything I can about this and I have to admit it is almost getting addictive. If I am right I can get an H22 and drop it in for about 60 more HP just from the motor alone, right? If that is the case I will have to also get new headers to match the H22 so I think I may go a little cheaper for now and save up for the new motor and install instead.

Thanks for the advice - I can't find any info on potential HP gain over stock with the Ex-Mag exhaust. I am going to keep looking for that but does anyone have any links for that info, I couldn't even find it on the RS*R site.

ask the prelude ppl on h22/h23 setups I'm not an H pro but someone will be able to help you