All new 100% CNC machined breather tank with no welds. This tank will work for rear end or engine breather tank. Comes with chassis mount bracket. It screws apart in the middle for easy cleaning. Please specify what line size you want (-8, -10, -12, or -16AN) and what size chassis tube you would like this to clamp to (1'', 1-1/4'', 1-1/2'', or 1-3/4'') round tubes all available.