These steel tubes are typically welded onto your upper frame rail when using in a burndown breather system connected to your engines valve covers. This runs your engines excess crank case pressure/oil through the frame and back to the puke tank mounted in the rear of the car, behind the tires. Comes bead rolled on one end and the other end notched at 45 degrees for 1.25" Tubing. Designed to fit standard 1 1/4" ID hose. *Price is for 1 tube*