This pic will show you where the headers end- not a lot of room to work with.
Weight isn't the biggest concern I have
I was also wondering if this would be an option
http://fdmotorsports.net/category/fister-exhaust-993/ Using these mufflers, could I build a exhaust system using a lot of the modified oem parts in a package that would fit under my car. Louder than stock without it being overkill?
I know I tossed out a lot of pics/ideas- just looking for other ideas