2014 flhx supermeg 2-1

[joseph49]

hello
i'v got a street glide 2014 with stock cams (255), supermeg 2-1 exhaust (with 20 disc) and stock air breafer.
i'd like to know how many disc doo i have to put for my bike befor doing VE with my power vision.
i 'd like to have the best a can have in torque and perform.

thanks

(sorry for my laguage i'm french boy...)

[bschultz]

18-20 discs with the closed end-cap should be good.