Originally Posted by
Stu @ M Developments
There are some exhaust bypass valves knocking about that may be worth some investigation as an easy fit solution... yanks use them to bypass silencers electrically, wanted to fit one to the M5 but no damn room.
Because im trying to make this work still on the standard ECU, controlling electronic devices isnt an option at this stage, but obviously if I fail to do it mechnically I can fit an autronic or something and then be able to control such things i the map instead.