3" Stainless Steel 2-Bolt Flange 28" Length Exhaust Connector Pipe Made of Stainless Steel Can be Welded to Existing Piping or Clamped On 2 Bolt Flange to Allow a Bolt-On Exhaust System to be Built 3" Inlet & Outlet / 28" Length / 16ga Piping Thickness 1 x Exhaust Pipe Connector Kit