depends which pipe you get,rollers are a bit more passive on a 125 than on a 50 cc .sports pipes on a 50 tend to have a very narrow power band so rollering right is critical but with the wider spread of power available on a 125 its not so important .
your only real choice(bolt on ) that will actually work and increase your power output is the
PM tuning Aprilia SR/Piaggio Typhoon 125cc - 172cc X-Tech Expansion chamber
PM52 cant give you a direct link ,pms site does not allow it but heres there home page
https://www.pmtuning.co.uk/index2.htmno need for roller changes or clutch springs just upjet with the jet that comes with it and Twist and Go Go
