2003-04 Mercury Marauder headers and 2-1/2" catted pipes. 1 5/8" primary tubes with 3" OD collectors. Long tube design makes great power and mid range torque. 3/8" s/s CNC laser cut flanges are port matched to the cylinder head for optimal flow and maximum performance. Designed for use with factory exhaust system.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.
