O2 Sensor Ports with plugs. Uses any muffler that fits to stock head pipes including Bassani FLH Mufflers. Tech Note: Mufflers are NOT included. The item "New Bassani Black True Dual Down Under Exhaust Head Pipes Headers Harley Touring" is in sale since Tuesday, February 5, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Other Exhaust Parts".The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.