The end of the hose that attaches to the vehicle's rigid brake line appears to have been installed upside down. This end attaches to the bracket that holds the brake line to the frame. The bracket is "attached” to the hose fitting. I had to file a hole in the bracket to accommodate the end of the hose. I also had to file the end of the hose. Otherwise it worked as planned. I have not contacted the manufacturer about this issue. Same problem with the brake hose on the other side.