Alright I am looking for a quieter muffler then this dualtip POS that came with my car. I dont feel like spending 400+ on a ws2 greddy RSR or blah blah blah for a quiet exhuast when its going on a d15b7, that bitch is coming out anyways .
BUT, i dont want stock, i want some umph sounds in the higher RPM range and i have decided a twinloop would probably be my best route.

QUESTION: I thought i read somewhere that there is enough room for a 20" muffler but i dont know about hiegth and width.

Here is a cheapo one off egay
22' x 8' x 7.5'

will it fit? how about a bigger one? I would measure myself but my car is at a shop right now