AFE BladeRunner Exhaust Manifold 46-40032

1998.5-2002 Dodge 5.9L Cummins
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Eliminate the costly exhaust manifold cracks prevalent in the factory exhaust manifold. The aFe BladeRunner exhaust manifold for the popular 98.5-02 5.9L Dodge Ram Cummins (24V) sets a new standard. In recent testing, this exhaust manifold outflowed the factory exhaust manifold by 50% improving performance and throttle response. The thick wall (0.25"" vs. 0.15"") flange design increases strength eliminating warping and cracking. The matched ports and a merged runner design reduces exhaust backpressure, maximizing exhaust flow. Once you install this awesome exhaust manifold, you will feel improved turbo spool up times, improved throttle response and increased performance.

One-Piece Construction: This manifold is constructed out of durable cast ductile iron with a reinforcing rib for maximum strength along the flange and ultra-thick wall flange at the port.

Multiple Auxiliary Ports: Two EGT (exhaust gas temperature) probe ports are supplied for easy installation of gauges or testing equipment.

Hassle-Free Installation: All necessary hardware is included for a hassle-free installation.

  • Pre-Drilled & Tapped For 2 EGT Probes
  • One-Piece Design
  • Durable Construction
  • Direct Bolt-On Replacement

Gaskets Not Included


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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.