aFe 46-11011 BladeRunner Intake ManifoldaFe 46 11011 BladeRunner Intake Manifold The BladeRunner 3 1 2 IN intake manifold represents the next generation in intake manifold design. The BladeRunner intake manifold uses the patented MDV (Multiple Directional Vane) technology to guide the air through the manifold maximizing air flow. Constructed out of cast A356 T6 aluminum and using a proprietary internal bolt design helps increase air flow and provide a solid seal void of leaks or