Thanks you for the responses and advice. It seems the 110 +4 option is the sports exhaust from the CAT back only and does not include the manifold. On advice I've decided to order the standard system and see how I get on. I can then look at the options once I'm up and running and see how others compare.
Very much appreciate the feedback - Now all I need to do is select a colour and try to consider how each option will enhance the car. - Happy days! - Sleepless nights.
