xpipe question when combining with M6 competition mufflers

D

doughboy650gc

Guest
#1
so I'm one step away from having my Mufflers installed my question to you guys is should I go out of my way and remove the rear resonator and install and M6 x pipe or would I be okay with a standard x pipe from a custom exhaust shop thanks in advance the car is a *'13 650i msport with a n63tu* btw