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How to Install SpeedForm GT350 Style Track Pack Rear Spoiler - Pre-Painted (15-18 All) on your Ford Mustang

Installation Time

2 hours

American Muscle
Shop Parts in this Guide

***If equipped with a factory spoiler, follow Step 1 to access the mounting hardware. Then carefully remove the spoiler, it is held down with double sided tape. Once removed ensure all remaining tape is removed from the deck lid prior to continuing to step 2.*** 


Step 1: Remove the deck lid trim panel. There are various push pins, the rubber bumpers located at the top unscrew. Manipulate the trim panel around the latch cover to avoid remove the latch cover.


Step 2: Using the provided drill template. Remove the center adhesive contact. Place the adhesive side on the spoiler, centering it over the bolt hole. 


Step 3: Center all 4 drilling templates over each of the 4 mounting points.


Step 4: Test fit the spoiler and center it on the deck lid. Then tape the template to the deck lid where they lay. Carefully remove the spoiler from the templates.

**Note: this is the most important step so that the holes are drilled in the correct place. 


Step 5: Once the spoiler is removed, carefully drill the center of the template holes. Finish with a 7/32’s drill bit.

**Note: Apply paint to any exposed metal to prevent rusting.


Step 6: Place the supplied foam pads over the mounting holes on the spoiler. Trim as need. Prepare the decklid by cleaning it with the supplied alcohol wipe. Then remove tape backing, apply the adhesion promoter (allow to flash dry) and install the wing using the provided hardware.