aFe Exhaust Manifold

Part #: 46-40011

Overview

The aFe BladeRunner 409 Stainless Steel Exhaust Manifold is engineered specifically for Dodge Ram diesel trucks equipped with the 5.9L Cummins engine from 2003 to 2007. Designed to replace the factory exhaust manifold, this high-quality component addresses common issues such as cracking and thermal fatigue that can compromise engine performance and reliability over time. Crafted from durable 409 stainless steel, it offers enhanced resistance to heat and corrosion, ensuring long-lasting performance and peace of mind for diesel truck owners seeking to optimize their vehicle’s durability and efficiency.

This exhaust manifold is ideal for those looking to improve their truck’s exhaust flow, reduce heat buildup, and support overall engine longevity. Its robust construction and precise fitment help maintain optimal exhaust gas routing, which can contribute to smoother operation and potentially improved response under load. Whether for daily driving, towing, or off-road adventures, this manifold provides a reliable upgrade that supports your vehicle’s performance and durability.

Key Features

Designed with durability and performance in mind, the aFe BladeRunner 409 Stainless Steel Exhaust Manifold features:

• Constructed from high-grade 409 stainless steel for excellent heat and corrosion resistance
• Precision-engineered to fit 2003–2007 Dodge Ram 5.9L Cummins engines
• Thermally stable design to reduce cracking and fatigue over time
• Enhanced exhaust flow to support engine efficiency and response
• Robust welds and structural integrity for long-term reliability
• Direct replacement for factory manifolds, ensuring straightforward installation
• Supports improved heat management and reduced under-hood temperatures

Construction & Design

The BladeRunner exhaust manifold is crafted from 409 stainless steel, combining strength and corrosion resistance. Its mandrel-bent tubing and precision welds ensure optimal exhaust flow and structural integrity, helping to withstand the thermal stresses typical of diesel engine operation. The design features a smooth internal surface to promote efficient gas movement and reduce backpressure, contributing to improved engine response and longevity.

Installation & Fitment

This manifold is designed as a direct replacement for the factory component on 2003–2007 Dodge Ram trucks with the 5.9L Cummins engine. Proper installation may require basic mechanical skills and standard hand tools. It is recommended to verify fitment against your vehicle’s specifications and part number before installation.

What’s Included

The package includes the aFe BladeRunner 409 Stainless Steel Exhaust Manifold, ready for installation. Additional hardware or gaskets are not included and should be sourced separately if required.