Your choices are as follows.
Craft your own mess, i.e. drilling holes etc.
Want loud but don't care about the engine.... take the exhaust off... you'll look even more bad-***...
Buy a full system, this is what's gonna set you back $1000+
Talk to
Marthy.
R6 headers + custom slip on.
All exhausts should be run with a power commander or similar. but that aint cheap and your talking a myriad of options.
You could use the search function and find out all of this wonderful information without me having to type it. (read, learn to use the search function).
You could also put time in to learning how to ride. Learning to ride is going to save your life far more than anything you could possibly do, far more than wearing Hi Vis, or a loud exhaust. And no, being able to go and stop doesn't mean you know how to ride...
And you could go over to
here and say Hi.
Welcome to the forum, and enjoy your new toy.