
Elevate your truck's performance with the AFE 46-40124 Ported Iron Exhaust Manifolds, engineered for optimal efficiency. These manifolds deliver a 5% improvement in exhaust flow compared to factory models, enhancing overall performance and throttle response. Featuring CNC-machined ports that perfectly match factory openings, they ensure maximum exhaust flow. Additionally, integrated EGT ports allow for easy installation of gauges or testing equipment, providing valuable engine monitoring capabilities. Crafted from cast ductile iron, these manifolds are built to last, offering exceptional durability under extreme conditions. The kit includes all necessary up-pipe mounting hardware for a seamless installation process.
Key Features:
- Improved Flow: 5% enhanced exhaust flow over stock manifolds for better performance.
- Precision Engineering: CNC machined ports optimize flow and match factory specifications.
- Monitoring Ready: EGT ports included for easy gauge installation or testing.
- Durable Build: Constructed from cast ductile iron for superior strength and longevity.
- Easy Installation: Up-pipe mounting hardware included for hassle-free setup.
Upgrade to AFE’s Ported Iron Exhaust Manifolds today and experience the difference in your truck’s performance!

Elevate your truck's performance with the AFE 46-40124 Ported Iron Exhaust Manifolds, engineered for optimal efficiency. These manifolds deliver a 5% improvement in exhaust flow compared to factory models, enhancing overall performance and throttle response. Featuring CNC-machined ports that perfectly match factory openings, they ensure maximum exhaust flow. Additionally, integrated EGT ports allow for easy installation of gauges or testing equipment, providing valuable engine monitoring capabilities. Crafted from cast ductile iron, these manifolds are built to last, offering exceptional durability under extreme conditions. The kit includes all necessary up-pipe mounting hardware for a seamless installation process.
Key Features:
Improved Flow: 5% enhanced exhaust flow over stock manifolds for better performance.
Precision Engineering: CNC machined ports optimize flow and match factory specifications.
Monitoring Ready: EGT ports included for easy gauge installation or testing.
Durable Build: Constructed from cast ductile iron for superior strength and longevity.
Easy Installation: Up-pipe mounting hardware included for hassle-free setup.
Elevate your truck's performance with the AFE 46-40124 Ported Iron Exhaust Manifolds, engineered for optimal efficiency. These manifolds deliver a 5% improvement in exhaust flow compared to factory models, enhancing overall performance and throttle response. Featuring CNC-machined ports that perfectly match factory openings, they ensure maximum exhaust flow. Additionally, integrated EGT ports allow for easy installation of gauges or testing equipment, providing valuable engine monitoring capabilities. Crafted from cast ductile iron, these manifolds are built to last, offering exceptional durability under extreme conditions. The kit includes all necessary up-pipe mounting hardware for a seamless installation process.
Key Features:
- Improved Flow: 5% enhanced exhaust flow over stock manifolds for better performance.
- Precision Engineering: CNC machined ports optimize flow and match factory specifications.
- Monitoring Ready: EGT ports included for easy gauge installation or testing.
- Durable Build: Constructed from cast ductile iron for superior strength and longevity.
- Easy Installation: Up-pipe mounting hardware included for hassle-free setup.
Upgrade to AFE’s Ported Iron Exhaust Manifolds today and experience the difference in your truck’s performance!