i hav just got a 197 exhaust the magnex ktec 1 and i hav a 200 and i hav been told i hav to cut the tips off the exhaust but when i hav took my diffuser off and sized up the tip in the diffuser there fit in the exhaust tunnels do i hav to cut them or not sum1 help please

do i hav to takes them off on leave them on

do i hav to takes them off on leave them on