
Elevate Your 5.9 Cummins Performance with the AFE 46-40044-1 Exhaust Manifold
Unlock the full potential of your 5.9 Cummins with the AFE 46-40044-1 Exhaust Manifold, designed for superior performance and reliability. This ported iron manifold outperforms the factory model by an impressive 50%, making it an essential upgrade for enthusiasts looking to enhance their engine's efficiency and power output.
Featuring ported flanges that optimize airflow, the AFE manifold is engineered for maximum performance. It also includes dual 1/8" NPT pre-drilled and tapped EGT ports, allowing for easy installation of exhaust gas temperature sensors to monitor your engine’s performance.
The thick-walled flange design increases strength and prevents warping, ensuring durability and a secure fit under high-stress conditions. Built to provide years of trouble-free performance, this manifold is a trusted choice for serious diesel truck owners.
Features and Benefits:
- Significant Performance Boost: Improves exhaust flow and efficiency by up to 50%, enhancing overall engine performance.
- Optimized Design: Ported flanges and dual 1/8" NPT EGT ports for precise temperature monitoring and better airflow.
- Durable Construction: Thick-walled flange design increases strength and eliminates warping, ensuring reliability under pressure.
- Expert Craftsmanship: Manufactured by AFE, a leader in performance automotive products, for quality you can trust.
Note: This manifold is not compatible with vehicles equipped with EGR.
Upgrade your 5.9 Cummins with the AFE 46-40044-1 Exhaust Manifold and experience improved performance and reliability. Order yours today to take your engine to the next level!

Elevate Your 5.9 Cummins Performance with the AFE 46-40044-1 Exhaust Manifold
Unlock the full potential of your 5.9 Cummins with the AFE 46-40044-1 Exhaust Manifold, designed for superior performance and reliability. This ported iron manifold outperforms the factory model by an impressive 50%, making it an essential upgrade for enthusiasts looking to enhance their engine's efficiency and power output.
Featuring ported flanges that optimize airflow, the AFE manifold is engineered for maximum performance. It also includes dual 1/8" NPT pre-drilled and tapped EGT ports, allowing for easy installation of exhaust gas temperature sensors to monitor your engine’s performance.
The thick-walled flange design increases strength and prevents warping, ensuring durability and a secure fit under high-stress conditions. Built to provide years of trouble-free performance, this manifold is a trusted choice for serious diesel truck owners.
Features and Benefits:
Significant Performance Boost: Improves exhaust flow and efficiency by up to 50%, enhancing overall engine performance.
Optimized Design: Ported flanges and dual 1/8" NPT EGT ports for precise temperature monitoring and b[...]
Elevate Your 5.9 Cummins Performance with the AFE 46-40044-1 Exhaust Manifold
Unlock the full potential of your 5.9 Cummins with the AFE 46-40044-1 Exhaust Manifold, designed for superior performance and reliability. This ported iron manifold outperforms the factory model by an impressive 50%, making it an essential upgrade for enthusiasts looking to enhance their engine's efficiency and power output.
Featuring ported flanges that optimize airflow, the AFE manifold is engineered for maximum performance. It also includes dual 1/8" NPT pre-drilled and tapped EGT ports, allowing for easy installation of exhaust gas temperature sensors to monitor your engine’s performance.
The thick-walled flange design increases strength and prevents warping, ensuring durability and a secure fit under high-stress conditions. Built to provide years of trouble-free performance, this manifold is a trusted choice for serious diesel truck owners.
Features and Benefits:
- Significant Performance Boost: Improves exhaust flow and efficiency by up to 50%, enhancing overall engine performance.
- Optimized Design: Ported flanges and dual 1/8" NPT EGT ports for precise temperature monitoring and better airflow.
- Durable Construction: Thick-walled flange design increases strength and eliminates warping, ensuring reliability under pressure.
- Expert Craftsmanship: Manufactured by AFE, a leader in performance automotive products, for quality you can trust.
Note: This manifold is not compatible with vehicles equipped with EGR.
Upgrade your 5.9 Cummins with the AFE 46-40044-1 Exhaust Manifold and experience improved performance and reliability. Order yours today to take your engine to the next level!