Not sure if this really counts as a how to.
I am really interested in a new exhaust but I am waiting for a domestic vendor and a belly style exhaust. Until that time comes around I have decided the best thing to do is to modify the stock exhaust.
Here is an imgur album with descriptions
Grom Exhaust Mod - Imgur
Here is a video of the first mod I did by drilling holes
Here is the final mod video with on board , drive by, dash facing drive angle and walk around.