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How to Install an MMD Ducktail Spoiler on Your 2010-2014 Mustang

Installation Time

1 hours

Tools Required
  • 10mm Socket/Wrench
  • Phillips Head Screwdriver
  • Trim Removal Tool
  • Plastic Chisel
  • Adhesive Remover
American Muscle
Shop Parts in this Guide

Contents:


(1) - MMD Ducktail Spoiler
(4) - Mounting Screws
(4) - Washers


Tools Required:


- 10mm Socket/Wrench
- Phillips Head Screwdriver
- Trim Removal Tool
- Plastic Chisel
- Adhesive Remover

Step 1


Using a trim removal tool or similar,
remove the 13 plastic clips securing the
trunk liner to the decklid and remove it
from the vehicle.

Step 2


Remove the four 10mm nuts securing the factory spoiler to the trunk lid. ***Be sure to have someone holding the spoiler so it does not drop and hit the vehicle once the nuts are removed.***

Step 3


Close the lid and use a plastic chisel or
similar tool that will not scratch your paint and remove the spoiler from the decklid. Once the spoiler is removed, use adhesive remover to clean up any residue left by the factory adhesive tape.

Step 4


Once the decklid is clean and free of
adhesive, wipe down the surface with the supplied alcohol pads as shown. Be sure to wipe all areas that the adhesive on the new spoiler will come in contact with.

Step 5


Place the four included foam pads over the threaded insert holes in the spoiler as shown. Peel the backing from the adhesive tape on the underside of the spoiler.

Step 6 


Place the spoiler on the decklid while lining the threaded inserts with the factory spoiler holes, but do not press down to seat the adhesive at this point. Using the supplied Phillips Head screws & washers, secure the spoiler to the decklid as shown.

Step 7 

Once all four screws are installed and the
spoiler is secure, press down firmly around
all edges of the spoiler to fully seat the
adhesive tape.

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