Kooks Headers & Exhaust: 2011-2014 FORD MUSTANG GT500 3" GREEN CATTED H PIPE 5.4/5.8L 5" The mufflers in this kit

The mufflers in this kit have been designed to control the amount of interior resonance to maintain a comfortable driving experience

Boost based progression

bolt on install

This essential feature will help the gauge to pay for itself the first time the check engine light comes on

*  While the manufacturer is working diligently on the lead times

Kooks Headers & Exhaust: 2011-2014 FORD MUSTANG GT500 3" GREEN CATTED H PIPE 5.4/5.8L 5" The mufflers in this kit3" Stainless Steel Green Catted H Pipe 2 3 4" Outlet For Use With OEM Exhaust Must Be Used With Kooks LT Headers 49 State EPA approved Catalytic Converter These products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB compliance SPECS: SKU 11423600 Order 4 VEHICLE FITS: 2011 FORD MUSTANG V8 2012 FORD MUSTANG V8 2013 FORD MUSTANG V8 2014 FORD MUSTANG V8