thanks man but i already no what the size difference is coz i already have the t50 and w58 but was just trying to find out wht i would have to do to fit the w58 like if i can bash the tunnel abit and it will fit coz ill do that but i only wanna do it bit not heaps but if i have to change the tunnel by cutting it and making it wider then i have to do that .. was just trying to find out wht ppl have done when they have come to this same step im at cheers thatnks for the help but more needed plz