My advice is to decide what features you want on the management system and then find the systems that have those features. Then work from there, get prices and see who can fit it for you or give you advice on how to fit it.

Don't forget mapping is also required so bear that cost in mind...

I am not a fan of Cossie management as it is old hat and there are better management systems out there these days. This doesn't mean the Webber Marrelli stuff is crap, just out dated. It does work and works well with a decent mapper who understands the ECU but I wanted something that I had options with...