Hey guys, what are you using for a plug on the back of the plenum on your Whipple gen5 3.0. It looks like it should be a plug with an o ring.
First picture is my gen5. Second picture is my old gen4 with a plug that it came with from Whipple.
First picture is my gen5. Second picture is my old gen4 with a plug that it came with from Whipple.