aFe 46-40054 6.7L Cummins Ported Ductile Iron Exhaust Manifold

49% flow increase over stock!

1-Piece Construction: The aFe 46-40054 6.7L Cummins Ported Ductile Iron Exhaust Manifold is constructed of durable cast-ductile iron with a reinforcing rib for maximum strength between the wall flanges at the ports. Dual Auxiliary Ports: 2 exhaust gas temperature (EGT) probe ports are supplied for easy installation of gauges or testing equipment. Hassle-Free Installation: 6-port gaskets are included for a hassle-free installation. Features:

• Outflows the factory exhaust manifold by 49%, improving performance and throttle response
• Cast-in EGR flanges allow retention of factory EGR system
• The thick wall flange design increases strength, eliminating warping and cracking.
• The machined ports and merged runner design reduce exhaust backpressure, maximizing exhaust flow.
• Dual 1/8" NPT exhaust gas temperature ports are supplied for gauges or testing equipment.
• 6-port gaskets are included for a hassle-free installation.

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This device is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.