Quote:
Originally Posted by Skyman 08
No need to do any of that, get you a step drill bit, and take off the 4 round black plugs and the under trunklid pad, you will then see the 6 mounting locations for the spoiler, mark the center of each of the 6 holes, then just use the step drill to drill them out until you get the proper sized holes for the bolts, clean up the holes and use some touch up paint to cover the bare metal. Mount the spoiler and use loctite on the studs. recap the 4 outside holes and replace the under trunklid pad and you are done.
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are the hole positions premarked on the underside? mine came with a spoiler so don't know, but if you look you can see pre marked hole spots for the high wing spoiler that gm was going to offer.
plus i dont think that you can access all of the hole spots from under the trunklid pad the ones on the right or center right are at an angle.