Quote Originally Posted by nedkerry View Post
This is just my ignorance, but one of these can't be fit into the R18?
http://www.weapon-r.com/products/621...header-1-1-2pc

If you pop onto 8thcivic, they actually talk about this particular header. They say it's more of a downpipe? I only had a quick read about it. Plus it removes the cat converter, so that's a no go for me.