WOAH!!

NO, the holes that are to be tig welded are ONLY where the shaft that the butter fly valves are connected to passes through each wall, so the idea is that those holes that you made solid red will be completly open and the holes where the bushings are for the metal rod to pass through the aluminum walls will be closed up, including the front hole, where you have air leaking out of now.


1999 Mitsu Montero - Crappy Weather
1992 Isuzu Pickup - Zombie Apocalypse
2008 Saturn Sky Redline - Nice Weather