Not to sure if this will help but I just had my exhaust changed.
Sorry, but the cat model name and size escapes me. The supplier knows, just tell him the car model and year, they'll know.
The pipe length before all the bends is about 12 feet. We have the same year so I assume the length is the same My system is all stainless steel. You have a choice on pipe diameter 2.5" or 3"...Hector and the other "pros" can provide more expert information.
Hi flow cat converter cost $258 CDN installed
12 ft bent stainless steel exhaust pipe, Magnaflow muffler and tip totalled $712 CDN installed.
Its not much but its a start!!