If they were Tubi they would have some Tubi markings, on my test pipes they were stamped on the body and the flanges. Could be hyperflow or evoflow?
I was thinking the same but something looks strange regarding the bungs.... Here are my Evoflow. These could be earlier versions... Image Unavailable, Please Login
Hey Jim, Mine (I believe) are offset too. I think I just took that photo in a manner that did not show it. This one may show it a bit.. Image Unavailable, Please Login
I've never paid much attention, Jim and you would know better than me for sure Here is the OEM... Image Unavailable, Please Login