BladeRunner Ported Ductile Iron Exhaust Manifold-46-40044-1

Outflows the factory exhaust manifold by 25%, improving performance and throttle response.
CNC machined ports match the factory port openings which maximizes exhaust flow
The thick wall flange design increases strength.
The merged runner design reduces exhaust backpressure, maximizing exhaust flow.
Dual 1/8" NPT Exhaust Gas Temperature (EGT) ports are supplied for gauges or testing equipment.
Hardware and port gaskets are included for a hassle-free installation. Price includes applicable core fee . Part Number: 46-40044-1