I immediately thought of the Agent47 Harbinger... but couldn't easily figure out what it's running. In the video he mentions a Boss 302 with a GT intake so they might not have any LS fitment info. Could be worth getting in touch with them to see if they have any ideas.
http://www.a-47.com
https://www.youtube.com/watch?v=VZhR...ature=youtu.be