How many 360/430 owners have fitted a exhaust valve controller. I've been looking at several manufactures of switchable exhaust valve systems over the last few months There are several company's that produce these devices. There's Capristo , Forza' and in the UK there's a company called cccharger.co.uk. After looking at them all I decided to buy the UK cccharger kit mainly because of the very easy installation as there are no cables that need to cross over from one side to the other. There are in fact two units which simply connect to each valve solenoid in a plug and play style. Units are very small and hid away nicely. Two very nice quality remotes come with it also in keeping with the Aston Martin quality which this company supplies units for as well as Ferrari. Just wanted to see how many 360/430 owners have bothered with buying these or just take off the air pipes and plug.