Race muffler, Made from 304 stainless steel for maximum corrosion resistance. This muffler has 4-1/2" OD inlet and outlet with perforated core, 5-1/8" diameter round body with an overall length of 5" with a mill finish. These are TIG welded for strength and durability. These kits come with a Five year limited warranty and proudly made in the USA.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.