Hooray, a pic!
This one is nice!
http://s943.photobucket.com/user/dodgycanuck/media/Mobile%20Uploads/20150604_230749.jpg.htmlAt a 90 degree angle, your wastegate is not at the best angle for flow, it will work, just not as good as it could.
Here is my downpipe.
If you look @ the angle the exhaust enters the wastegate & how the bypassed exhaust re-enters the downpipe @ a shallow angle.
MBHD