These have been designed to save weight by replacing the heavy factory mufflers, all while creating an aggressive exhaust note while improving the performance at the same time. Direct bolt-on easy installation to the OEM system or REMARK Midpipe Kit 2.5inch, 16 gauge T304 stainless steel, mandrel bent pipe Dual 4.5inch tip design Slant style tips Center X piping design Factory OEM style exhaust hanger rod construction High quality hand welding