Ford Racing has partnered with industry leader Borla(R) Exhaust to offer the first in a series of Ford Racing by Borla(R) systems for the new 2015 Mustang. This cat-back system is constructed from ultra-smooth mandrel bent 300-series stainless steel tubing that is designed and fit to Ford Racing specs. This 2.5 in. cat-back exhaust system will give you an aggressive muscle car sound. This cat-back exhaust system with integral X-pipe bolts directly to the stock factory catalytic converters, making your Mustang 100% emission compliant. These tuned stainless steel mufflers with 4 in. chrome-plated stainless steel tips not only sound great but look great too.