How to Install GT350R Style Spoiler - Primed on your Mustang

Step 1: Using the outer edges of the trunk lid, locate where the holes will need to be drilled. Place masking tape on the trunk lid so that you can clearly mark the hole to be drilled. Line the supplied template up with the outer and back edge of the trunk. Repeat the process for both sides. 

Step 2: Drill a pilot hole then finish with a 21/64” diameter hole.

Step 3: Stick the foam gasket on each spoilers leg, repeat this process on both sides.

Step 4: Loosely secure the spoiler leg to the trunk lid using the supplied M6 bolts and washers. Repeat this process on both sides.

Step 5: Firmly attach the upper spoiler to the legs using the supplied M6 bolts and washers.

Step 5: Once the upper spoiler is firmly attached, tighten the bolts holding the spoiler legs to the trunk lid. Finish by installing the bolt caps on the underside of the spoiler legs.