1 1/2 Mandrel Bent Tubing. The item "Pandemonium 1.5 Raw Ya Mama XS650 Yamaha Drag Side Pipe Exhaust Chopper Bobber" is in sale since Wednesday, April 15, 2015. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Exhaust Systems". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.