got to the bottom of my rattleing exhaust, turns out to be the centre section, done a little searching and a few have removed there centre section infavour for a straight through pipe, from the cat to the rear boxes, can anyone tell me how much louder it will be a what type of sound i can expect, i know its not going to be anything like a stainless, also has anyone made there own or where to have one made, i running standard rear back box and standard cat, cheers