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How to Install a MMD Roof Spoiler on your 2005-2014 Mustang

Installation Time

15 minutes

Tools Required
  • Alcohol Prep Pad (included)
American Muscle
Shop Parts in this Guide


(1) - Roof Spoiler
(1) - Alcohol Prep Pad
(1) - Adhesion Promoter

Before beginning, be sure to thoroughly
clean the rear window to remove dirt and
any other debris that may prevent the tape
to bond properly.

Step 1

Wipe down the outer upper edge of the
rear window with the supplied alcohol
prep pads where the spoiler will adhere.
Once dry, follow with the supplied 3M
Adhesion Promoter.

Step 2a

Peel the backing from the 3M tape and
place the spoiler over the rear window (do not let the tape adhere yet). Line the
upper corners of the spoiler with the upper corners of the rear glass as shown.

Step 2b

Then push the center of the spoiler up
towards the back edge of the glass. Once the spoiler is properly located, press down firmly to fully seat the adhesive tape.

This guide applies to Vehicle years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and Submodels: GT, V6, GT500, Bullitt, Boss 302