This brace does NOT fit with factory Ford trunk subwoofer, but DOES fit with Shelby/Kicker upgraded subwoofer.
Just as our front strut tower brace stiffens the chassis and enhances the handling characteristics of your Mustang, so does our newly-designed rear shock tower brace, and it does so without sacrificing available trunk space. It can be installed with simple hand tools and/or welded in place for additional rigidity. Available in powder coated silver or natural finish that can be custom-tailored to match your taste. Note: The natural finish is VERY raw and oxidized, not "brushed" or finished in any way. Installation Instructions can be found here.