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Part #: AFE46-40024

AFE 46-40024 BladeRunner Exhaust Manifolds

2001-2016 GM 6.6L Duramax
Part #: AFE46-40024
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The AFE 46-40024 BladeRunner Exhaust Manifolds feature a bolt-on design and will increase power, performance, and exhaust flow in your 2001-2016 GM 6.6L Duramax.

Machined Ports: 
These manifolds have both the inlet and the outlet ports machined to match the factory gaskets. This allows for maximum flow, without compromising gasket performance.

Auxiliary Ports:
An Exhaust Gas Temperature (EGT) probe port is incorporated into each manifold for easy installation of gauges or testing equipment. There are three additional cast in bosses provided to allow for alternate testing points.

Hassle-Free Installation:
These manifolds are compatible with the stock up-pipes, which allows the manifolds to be installed without having to remove the turbocharger down-pipe or the up-pipes.  


  • Durable, Cast Ductile Iron Construction
  • Outflows Factory Exhaust Manifolds By 6%
  • Compatible With Factory Up-Pipes For Easy Install
  • Eliminates Flow Restricting Pinch Of Factory Driver-Side Manifold
  • Machined Ports & Gasket Matched Design Maximizes Exhaust Flow 
  • 1/8" NPT Ports For Exhaust Gas Temperature (EGT) Monitoring 
  • Manifold Mounting Hardware Included For Easy Installation
Note: These exhaust manifolds do not include new gaskets. In some cases, factory gaskets can be re-used. New gaskets are available separately below (see related products).  


  • MFG. Number 46-40024
  • Manufacturer Name AFE
  • Shipping Weight 26.00 lb.
  • Shipping Length 26 in.
  • Shipping Width 13 in.
  • Shipping Height 8 in.
  • UPC 802959464397
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Most Popular Questions

hey is that price for 2 ?
View Staff Answer 

The AFE 46-40024 BLADERUNNER EXHAUST MANIFOLD S are sold in a set.

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.