help? i have an extention on my toilet waste pipe which i want to remove it has been fitten when the house was built in the late 60s,it is a cast iron material and didnt want to resort to going round the edge of the joint with a hammer and chisel,the reason is the exiention pipe is about two foof long with a bend from the wall and makes the toilet to far in the bathroom so to move it closer to the wall i want to remove this pipe extention anyone got any ideas please