backbox or full exhaust.

Im looking for and exhaust for my civic and dont no if to buy a 50quid backbox or a 500 full exhaust.
What are the pros&cons????
What are the pros&cons????
projectcivik wrote:Im looking for and exhaust for my civic and dont no if to buy a 50quid backbox or a 500 full exhaust.
What are the pros&cons????