4-2-1 two piece header. These headers are designed for direct fitment and give the best performance. Header unit is made from T304 stainless steel, precision bent on CNC mandrel benders and the header flanges are CNC machined. O2 sensor are re-locate depending on different application to get the best reading of the gas oxygen from the cylinders which may require O2 sensor extension wire. Header also comes with gasket and factory style gaskets.

Application:2002 2003 2004 2005 2006 2007 MAZDA 6 4CYL STAINLESS STEEL HEADER

Installation Difficulty:Professional Installation recommended.