aFe Bladerunner Manifolds Intake MAN INT Ford Diesel Trucks 99.5-03 V8-7.3L (td)The new Bladerunner manifold kit for the popular 7. 3L Power Stroke is constructed of cast A356 T6 aluminum and features the patented MDV (Multiple Directional Vane) technology which helps increase intake velocity for increased flow, lower EGTs, improved MPG and faster turbo spool up times. This system contains one Bladerunner intake manifold which outflows the factory unit by 18% and one Bladerunner turbo outlet manifold that outflows the factory