2.5" 3 bolt collector that shoots back to the muffler, muffler inlet is 2.25". This will not bolt up to stock cat and will need to be fitted to work. Exhaust has maybe 3k miles on it. Asking 350 shipped.

 

Looks like it would be really loud on a naturally aspirated car and awful to use on a turbo car.

 

Yeah it is def louder than stock, I got the wool pulled over when I had it made for my Miata. Doesn't sound bad, but the muffler does add back pressure due to the inlet size. Here's a vid that gives a general idea on the sound:

 

Any bites for 325?