Kooks Shelby GT500 3" High Flow Catted H Pipe bolts to all cat-backs that use factory 2-3/4" diameter tubing at the factory connection point. The Kooks Catted H Pipe feature Kooks high quality, high flow catalytic converters that can tame even the most aggressive cat-back without impeding exhaust flow. Learn More
Kooks 11323620 2007-2014 FORD MUSTANG SHELBY GT500 3" X 3" GREEN CATTED H PIPE 5.4/5.8L DESCRIPTION 3" Stainless Steel GREEN H Pipe Includes Kooks Ultra High Performance GREEN Cats 49 State EPA approved Catalytic Converter No Check Engine Lights Or Tuning Required 3" Outlet For Use With Aftermarket Exhaust Must Be Used With Kooks Long Tube Headers 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 Learn More