Home/2024 Mustang Cat-Back Exhaust Roush V6/I4 Exhaust Kit - Round Tip (304SS), 2015+ Mustang 3.7L / 2.3L $1,069.49 Roush Resonator Delete X-pipe, 2015+ Mustang GT $399.98 Roush Resonator Delete H-pipe, 2015+ Mustang GT $413.99 Roush Y-pipe, 2015+ Mustang 2.3 Ecoboost $407.09 Steeda Resonator Delete H-pipe, stainless, 2018+ Mustang GT $381.64 Steeda S550 Resonator X-pipe Delete, 2018+ Mustang GT $381.64 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.