Improves Handling Performance. Improve your Pony's handling performance by reinforcing your rear shock towers with a SR Performance rear shock tower brace. A SR rear shock tower brace will stiffen your Pony's chassis to reduce suspension flex and improve traction for impressive corner carving handling.Superior Construction. The SR Performance Mustang Rear Shock Tower Brace is made from heavy duty tubular steel to keep your rear end from flexing under g-load and is completed in a textured black powder coated finish for aggressive good looks and long lasting corrosion resistance.Application. The SR Performance Rear Shock Tower Brace is designed to fit all 2005 to 2014 Mustangs, including the V6, GT, Bullitt, BOSS, and Shelby GT500 models. Does not fit Mustangs with the Shaker 1000 sound system.Technical Notes. Some modifications and welding may be required for installation. All models will require trimming of factory inner trunk liner.