Posted by T.L. on July 10, 1998 at 03:15:09:
I had a friend at a body shop install my "ducktail" and he used a holesaw (I can't remember the size though). The holes are drilled right where the metal curves downward at about a 45 degree angle and I used black RTV silicone on the bolts to keep the water out.
***Sorry if this is a double post--I had some trouble.***