Replacement exhaust pipe ....looking for the best option for my 636

OK guys.......time to change the exhaust .....any thoughts?advice what will be better? I will post a list I found for my bike

1) Akrapovic

2)Scorpion

3)Yoshimura

4)Two Brothers

5)Arata

6) Arrow

7) Termignoni

8) Jardine

9) Hindle

10) Leo Vince

11)Devil

12)Micron

13) Muzzy

14) Laser

15) Hot Bodies

16)Beet Nassert R

17) GPR

18) AJKO

19) Hot Performance

20) Shark