" DPF Back Exhaust -Available Sound Options include 11"x6" Large Straight Through Muffler, 5" Round Straight Through -----Resonator or Muffler Delete (Pipe Only) -Features and Benefits: -Australian Designed and Made -10-Year Warranty -409 Stainless Steel Tube -4 Bolt, 10mm Thick Flange Plates -Extreme Duty Hanger Brackets -Removable Plug Boss for EGT (1/4" NPT) -Pressed Fire Ring Gaskets -Coated with Premium Heat Proof Paint