2005-10 Mustang GT 1-3/4" headers. Includes (2) 3" high flow converters, 2 1/2" x pipe to connect to factory exhaust system. Tig welded 304 s/s headers with 3/8" thick flanges and smooth flow collectors. Includes (4) 24" long O2 extensions, clamps.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.