2012-2018 Jeep Grand Cherokee 6.4L Headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-7/8" primaries, port matched "D" shaped flanges, 3" slip-fit collectors, and 3" catted lead pipes. Designed to fit factory connection point. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.