
2. Next, we installed the flange to the head and slid the first bend into the flange to see how it fit. Then we welded the flange retainer to the first header pipe. A few small tack-welds were applied to hold the pipe in place making sure we had the right angles when tacking the next piece.

2. Next, we installed the flange to the head and slid the first bend into the flange to s