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USD 439.99
Part #: AFE46-40032

AFE 46-40032 BladeRunner Ductile Iron Exhaust Manifold

1998.5-2002 Dodge 5.9L Cummins
Part #: AFE46-40032
★★★★★ ★★★★★ 6 Reviews
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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.


  • Stock Sized Turbo Flange 
  • Machined Ports, Merged Runner Design 
  • Outflows Factory Exhaust Manifold By 50% 
  • Thicker Walled Design Eliminates Cracking
Note: Gaskets and replacement hardware not included. See items below.


  • MFG. Number 46-40032
  • Manufacturer Name AFE
  • Shipping Weight 22.00 lb.
  • Shipping Length 6 in.
  • Shipping Width 27 in.
  • Shipping Height 5 in.
  • Fuel Type Diesel
  • UPC 802959461235
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Currently Viewing Reviews with a rating of 5. Click here to reset.
★★★★★ ★★★★★
4.7/5 Stars out of 6 Reviews
(Delaware) | April 26th, 2020
Overall great product, went on pretty smooth. Haven't had the chance yet to fire up the truck but oh well.
Very satisfied
(Texas) | June 29th, 2018
A little difficult to install. I installed this exhaust manifold and a set of 75 hp injectors. Put some life back in my 02
(Wawa, ON) | February 18th, 2015
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
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Questions and Answers

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Most Popular Questions

Hardware question? Does it come with the gaskets?
View Staff Answer 

Parts Included:
Manifold, Exhaust (1)
Bracket, Coolant Line (1)
Channel Bracket, Coolant Line (1)
Screw , Hex: M8x1.25x25 (1)
Nut, Flange: M10x1.5 (8)
Stud: M10x1.5x50 (4)
Stud: M10x1.5x50 (2)
Plug, Hex: 1/8" NPT (2)

(Gaskets not supplied)

Is this a T4 flange?
View Staff Answer 

The AFE BladeRunner Exhaust Manifold 46-40032 is a T3 flange.

XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.