Yes..this and the roof spoiler is what you wanted in return for doing the plenum spacer and check for an oil leak on my Zed. But then I changed plans and was going to sell my Zed, it never sold, obviously, so now I will continue and do more work on it over time.
But if I add up the value of this splitter and that roof spoiler it comes to a lot more than the £40 I will be paying for the same amount of work by a garage locally...A no brainer wouldn't you agree to sell them, apart from the fact you already have one on your Zed now :-)