AFE 46-40032 BladeRunner Ductile Iron Exhaust Manifold

1998.5-2002 Dodge 5.9L Cummins
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Eliminate exhaust leaks from the old cracked manifold in your 1998.5-2002 Dodge 5.9L Cummins with the AFE 46-40032 BladeRunner Ductile Iron Exhaust Manifold. In testing, this exhaust manifold outflowed the factory exhaust manifold by 50% improving performance and throttle response.

One-Piece Construction:
This 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:
Two Exhaust Gas Temperature (EGT) probe ports are supplied for easy installation of gauges or testing equipment.

Hassle-Free Installation:
All hardware included for a hassle-free installation. Gaskets not included.


  • Stock Sized Turbo Flange 
  • Machined Ports, Merged Runner Design 
  • Outflows Factory Exhaust Manifold By 50% 
  • Thicker Walled Design Eliminates Cracking

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(2 Ratings, 2 Reviews) Average Rating:
Tanner Paddock (Wawa, ON) 2/18/2015 9:35 AM
Installed with a set of 100hp ddp injectors so don't know if i got any egt drop compared to stock but really happy with it and i like the dual egt ports
well worth the $265
Kyle (West melbourne) 5/28/2014 4:49 PM
I just got my manifold in the mail yesterday and installed it right away..I was shorted 2 nuts for the turbo flange, and the instructions are absolutely horrible. Aside from those 2 issues the install went well, it fits great. I noticed 100-110 degree drop in EGTs, also cleaned up a bit of the top end smoke. Slight sound difference too. Overall I think it is well worth the money.