We're planning on doing a k20 swap in the teg this coming spring. However right now our exhuast is a POS with holes in it, so its incrediably loud and annoying. I was looking at the greddy catbacks because I love the way it sounded on my old civic, and I was wondering if anybody knew if I went ahead and got the cat back and a new cat now, will I have issues with fitment when i go to do the swap? I was thinking it shouldnt be hard, considering it hooks up to the cat and all the cats are mostly the same right? or i could take it to an exhuast place and just have them directly weld it on to the k20 manifold?

 

i think you should be able to use a greddy exhuast with no problem, just might need to lengthen or shoten the b pipe