These have the 90-degree elbows attached to them. The shields are the half round.This set of stacks includes the mufflers, the exhaust elbows, and the heat shields. These will need the brackets, bolts, and other minor hardware pieces to attach them to your truck. Any overages will go into the guesstimate fund, any underages will come out of the guesstimate fund. Careful packing is always the goal. Bubble wrap is used whenever possible and feasible.