All bends are 3.5 centerline radius and are produced using a CNC mandrel bender for accuracy and maximum exhaust flow. Kit includes qty 2 90 degree bends, 2 180 degree bends, 3 straight tubing pieces, 2 U-channel mounts, and the proper heavy duty flange set to fit your bike with a leak free seal. This DIY kit is the perfect way to build the unique looking set of pipes you desire.World Class Tech Support & Customer Service. DIY Builder Exhaust Kit fits Harley Sportster & Big Twin Evo bobber" is in sale since Monday, March 11, 2019. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Other Exhaust Parts". The seller is "tcbros" and is located in Wauseon, Ohio. This item can be shipped worldwide.