Fits all 2013-2014 3.7L-V6 Mustangs (Requires ROUSH Rear Valance - Part # 421406) Improved exhaust note vs. stock exhaust system 409 Stainless Steel Mufflers with the 304 Chrome Flashed Stainless Steel Tips No in-cabin drone/boom Requires ROUSH Rear Valance (Part # 421406) Easy to install Designed with OEM CAD data to ensure precise fitment Includes all required hardware and instructions
