Home/2007-11 GT500 Chassis Stiffeners Steeda Rear shock tower brace, 2005-14 Mustang $342.50 Strut Tower Brace Chrome Moly, 2007-09 GT500 $254.51 Steeda Torque box brace, 2005-14 Mustang $456.67 Steeda Jacking Rails, Low profile, 2005-14 Mustang $274.00 Steeda Chassis X-Brace, behind the rear seat, 2005-14 Mustang hardtop $489.98 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.