Thanks Fahd & Dave.
It was a little trickier than I thought, but got it to work.
1. I created a shape layer and traced the path of my “pipe”.
2. I created an adjustment layer and added the bulge effect.
3.I added a Null Object layer and copied the shape layer & pasted it into the null position.
4. Added an expression to the bulge effect and pickwhipped it to the null’s postion.
Works great. Maybe an easier way, but this worked for me. Thanks again.