Dodge Exhaust Manifolds

Dodge Exhaust Manifolds
Choose Application
5.9L Cummins 1994-1998 5.9L Cummins 1998-2002 5.9L Cummins 2003-2004 5.9L Cummins 2004.5-2007 6.7L Cummins 2007.5-2024 5.7 / 6.4 HEMI 2009-2022

Designed for unmatched durability and performance, our upgrade exhaust manifolds are engineered to withstand the extreme thermal stresses and heavy towing demands that easily destroy factory components. By optimizing internal exhaust flow dynamics and addressing common original equipment failure points, these heavy-duty manifolds maximize gas velocity to deliver enhanced turbo response, quicker spool-up, and improved overall efficiency. Whether you are maintaining a dependable daily driver, towing heavy payloads over steep grades, or building a high-horsepower performance truck, our manifolds provide the robust, leak-free reliability your turbocharged engine requires.

Engineered for Extreme
Conditions

  • High-Silicon Ductile Iron: Cast to resist cracking and warping under extreme exhaust gas temperatures (EGTs).
  • Heavy-Wall Construction: Thicker cross-sections add critical strength for demanding towing applications.

Advanced Flow
& Performance

  • Fully Divided Pulse Technology: Isolates exhaust pulses to maximize gas velocity and improve turbo response.
  • Smooth Internal Bores: Precision-cast runners eliminate restrictive, power-robbing factory bottlenecks.

Thermal Fatigue
Prevention

  • Integrated Slip Joints: Allows the multi-piece manifold to heat-cycle naturally without fatiguing.
  • Robust Flange Design: Ensures a flat, permanent seal to prevent blown gaskets and sheared hardware.

The BD Diesel
Engineering Advantage

Thermal Expansion Management

Factory manifolds shrink, warp, and shear head studs because they are cast as a single rigid piece. BD Diesel solves this by incorporating precision-aligned slip joints. This multi-piece architecture allows the manifold to expand and contract independently during intense heat cycles, completely protecting your cylinder head hardware from failure.

Optimized Pulse Technology

Turbos rely on high exhaust velocity, but standard manifolds allow cylinder gases to collide and create restrictive turbulence. Our engineering team designs fully divided runners that isolate exhaust pulses all the way to the turbo flange. This prevents cross-interference, clears out scavenging bottlenecks, and delivers noticeably faster turbo spool-up.

High-Silicon Ductile Iron Construction

Standard gray iron is too brittle to survive the thermal fatigue of a hard-working diesel engine. BD manifolds utilize a proprietary high-silicon ductile iron blend. This specialized material retains its structural integrity at extreme temperatures, providing an engineered solution that permanently solves the cracking epidemic common to stock units.

Manifold Selection Guide

  1. Confirm Model Year & Engine

    Exhaust geometry and emissions plumbing change significantly across generations. Verify your exact model year and engine displacement (5.9L vs. 6.7L Cummins) to ensure absolute port and bolt alignment at the cylinder head.

  2. Choose Your Turbo Flange Size

    Determine your turbo setup before ordering. We offer direct stock-replacement manifolds featuring factory T3 flanges, as well as high-performance upgrades cast with larger T4 or T6 footprints to accommodate bigger aftermarket turbochargers.

  3. Check Emissions Compatibility

    If your modern 6.7L truck retains its factory emissions equipment, select a direct-fit, emissions-compliant manifold. These feature integrated mounting pads that allow your factory EGR cooler to bolt up seamlessly without modification.

  4. Verify Truck vs. Cab & Chassis

    Always confirm your vehicle's frame style. High-performance or altered-flange manifolds are often engineered strictly for standard pickup engine bays and will not clear the tight firewall and frame clearance of a commercial Cab & Chassis model.

Manifold Lookup Table

Engine Year Range Component Configuration Flange/Port Config Notes
Cummins 5.9L 12V 1994-1998 Multi-Piece Assembly Square Port, T3 Flange Pulse Tuned, Precision Slip Joints
Cummins 5.9L 24V 1998-2002 Multi-Piece Assembly Round Port, T3 Flange Pulse Tuned, Fully Port Matched
Cummins 5.9L CR 2003-2004 Multi-Piece Assembly Early CR Ports, T3 Flange Equalized internal runner volumes
Cummins 5.9L CR 2004.5-2007 Multi-Piece Assembly Late CR Ports, T3 Flange Pre-drilled and tapped bosses for clean EGT probe install
Cummins 6.7L 2007.5-2024 Multi-Piece Assembly 6.7L Ports, T4/HE351VE Flange Reinforced mounting flanges
Hemi 5.7L 2009-2024
(Ram DS Classic/HD)		 Single Side or Full Kits V8 Round Port, Direct Fit Eliminates cold start ‘tick’. Extended fasteners & expansion spacers
Hemi 5.7L 2009-2024
(Ram DT New Body/SUVs)		 Single Side or Full Kits V8 Round Port, High-Clearance Independent heat shield mounting bosses
Hemi 6.4L 2014-2024 (2500-5500 HD) Single Side or Full Kits V8 D-Shaped Port, HD Flange Direct drop in geometry matches factory downpipe connections

How Do I Choose The Right BD Exhaust Manifold For My Dodge Or Ram?

Start by selecting your engine and year range, then choose the manifold that matches your goal. Stock style replacement focuses on fit and durability. Performance options focus on airflow, response, and turbo flexibility.

What Dodge Applications Are Covered On This Page?

Coverage includes HEMI 2009–2024, 6.7L 24V 2007.5–2024, 5.9L 24V 2004.5–2007, 5.9L 24V 2003–2004, 5.9L 24V 1998–2002, and 5.9L 12V 1994–1998.

What Is Pulse Technology And Why Does It Matter?

Pulse flow design helps keep exhaust energy directed where it counts. That supports quicker turbo response and efficient airflow.

What Are Slip Joints And Why Are They Important?

Slip joints allow the manifold to expand and contract with heat cycles. This reduces stress from thermal movement and helps extend manifold life.

Will A BD Manifold Help Turbo Response And Power?

Yes. The runner design is built to support strong airflow and faster turbo response, especially on turbocharged Cummins applications.

Does The Manifold Come With Hardware And Gaskets?

Many BD manifold kits include supporting install hardware and gaskets. Always confirm what is included on the specific product listing you are ordering.

Can I Talk To A Real Person At BD Before I Buy To Confirm Fitment?

Yes. Call 800-887-5030 to speak with our sales team.