- Joined
- Mar 21, 2005
- Location
- Raleigh, NC
I used 1.5 .120 wall just cause that's what i had. I'm not sure I'd trust PVC. 1.5 exhaust tubing would be fine. If you could flare the end or weld a ridge on it. If not the tube can and will just slip off the tube and it really sucks when that happens