TD42 Performance Intake ManifoldThe factory manifold is commonly known to cause uneven distribution of air between cylinders when running increased boost pressure. This manifold promotes even air distribution between cylinders by raising the volume of the intake manifold by nearly 100% resulting in increased power. It also offers 3 ports for manifold pressure reference hoses and gauges. The moulded top half is welded to a factory intake manifold by our experienced fabricator, the