This is an aluminum bodied pressure chamber that is used for on road cars. It mounts on the pressure line that goes in-between the pipe and take lid. It will help in stabilizing back pressure in high speed sweepers, braking and acceleration.
B0747T SJG 4x10T F/H Titanium Screw (8pcs)
B0750T SJG 4x12T F/H Titanium Screw (8pcs)