Item is 100% New, Never used or installed. Features Dual O2 Sensors and comes with blanking plugs for models that don't require them. Header features 6-2-1 light weight piping design. Fits both the 2.5L, 2.8L and 3.0L L6 BMW Engine.
CNC machine flanges with TIG and MIG welded construction. HP gains of 5-10HP dending on current setup. Product does not come with installation instructions.