anyone know the size Mac's mufflers in there catbacks? Reason im asking is I just got there catback and the mufflers are 20x4, and on my buddies 03 cobra there a lot smaller.. I just want to make sure I got the right product as it wasnt coated either..

 

Most of the mac catbacks I have seen have been coated black except for the last section of tail pipes. I'm not sure about the dimensions though.