Ford Racing has partnered with industry leader Borla Exhaust to offer
the first in a series of Ford Racing by Borla systems for the new 2015-17
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" 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"
chrome-plated stainless steel tips not only sound great but look great
too.  
Bolts to stock catalytic converters  
30 lbs lighter than the factory cat-back system  
Integral X-pipe  
2.5" stainless steel mandrel bent cat-back tubing 
4" chrome-plated stainless steel tip  
Loud aggressive sound is 49-state drive-by noise legal  
Uses stock hangers and mounts