The entire axleback assembly was welded together. The hangers are probably what you see and they are welded to the pipe. They slide into the black rubber hangers on the car. The process for installing this piece is very simple. Here is the process for removing/installing your HSM Axle-back assembly.
1. Unbolt the stock RacingBeat muffler, pop the hangers out of the black rubber supports, and remove it from underneath the car.
2. Take the HSM unit and slide the flange over the back of the rear crossmember with the tip pointing out the back.
3. While supporting the pipe, be carefull not to hit the bumper with it and put the passenger-side hanger thru the lower hole in the black rubber support.
4. once the passenger side is securely placed into the rubber support, push the assembly towards the passenger side and it will travel enough to allow you to place the hanger on the driver's side of the pipe into the hole on the bottom of the black support.
5. After both hangers are secured, use the bolt kit included with your axle-back to secure the flanges tightly. You will use the stock gasket so make sure it is secured tightly.
6. Give it a wiggle to make sure it is secure, start it up, and ENJOY!!!!!