greg 28

Im looking to upgrade my standard two into 1 exhaust system on my xvs 950a midnight star, and replace it with the Vance and Hines 2 ito 2 big radius exhaust system, has anyone had this system fitted?? was there any problem and did the bike need re mapping or re jetting?? or have you had any problems after installing the pipes as dont wanna affect my warranty as my bikes not a year old yet!! help please!!!