pieces

Hi, anyone know what the spring length is on the Titanium Akro that holds the downpipes and the silencer together ? Somehow lost both on mine so would like to replace, also do you really need the Cat that slips between the 2 pieces of the exhaust ?

Nothing fancy but got a few bits and pieces to fit when I finally get my bike. This has to be the longest two weeks in my life. Hopefully I collect the bike on Friday. So thanks to ebay, have got the following to fit. Puig Screen (Black) Puig crash bungs, Pyramid fender extender & Hugger...