New T4, T6 Waste Gated 3 Piece 'Ported' Exhaust Manifold With Pulse Scavenging Flow Design.
High performance, high RPM 5.9L & 6.7L engines benefit from better cylinder exhaust evacuation to keep EGTs down.
The "Combustion Pulse" that assists flow remains constant with the W/G valve closed and improves turbo response. Machined for use with Turbo Smart 45mm Hyper Gate.
Block off plate and clamp provided.
Gate port area is 1.67 sq. in., 33% of T4, 12% of T6 inlet
Pre-drilled and tapped to 1/8" NPT for pyrometer probe installation
Precision cast and machined from Hi Ductile Iron with 20 degree turbo mounting flange
Finished with a Black high heat protective coating