M8 Pipe,Can,BD Box Setup

[Borninsnow]

So before the snow flies I would like to get my 07 M8 setup with a new Y-pipe, Pipe, Can, and BD Box. What is the best setup and why?

07 M8 153, 1000 miles on 2 seasons, BD Airbox, vented, scratchers. That's it.

Thx