aFe Power 2001-2016 GM Duramax 6.6L Ductile Iron Exhaust Manifold

Introducing the High-Performance Exhaust Manifolds for Maximum Power and Hassle-Free Installation

Enhance the performance of your vehicle with our top-of-the-line High-Performance Exhaust Manifolds. Crafted with precision engineering and designed to optimize your engine's capabilities, these manifolds are the ultimate upgrade for automotive enthusiasts seeking power, efficiency, and easy installation.

Unleash Maximum Flow: Our exhaust manifolds feature machined ports meticulously designed to match the factory gaskets. This ensures unrestricted flow, maximizing exhaust efficiency without compromising gasket performance. Experience a significant boost in power and throttle response as you unleash the true potential of your engine.

Convenient Auxiliary Ports: Equipped with an Exhaust Gas Temperature (EGT) probe port, each manifold allows for easy installation of gauges or testing equipment. Additionally, three cast-in bosses are provided, offering alternate testing points. Monitor your engine's vital statistics effortlessly and fine-tune its performance with precision.

Seamless Installation: Say goodbye to complex installations. These manifolds are engineered to be compatible with stock up-pipes, eliminating the need to remove the turbocharger down-pipe or up-pipes during installation. Enjoy a hassle-free upgrade process and get back on the road faster.

Superior Performance Benefits: Outperforming factory exhaust manifolds by an impressive 6%, our high-performance manifolds provide a substantial improvement in performance and throttle response. Furthermore, they eliminate the flow-restricting pinch found in the factory driver's-side manifold, unleashing the full potential of your engine.

Precision-Crafted Construction: Built to withstand the demands of high-performance driving, our exhaust manifolds are constructed from durable cast ductile iron. This robust material ensures exceptional strength and longevity, guaranteeing years of reliable performance.

Hardware Included: We understand the importance of a seamless installation experience. That's why we include all the necessary mounting hardware with our exhaust manifolds. Enjoy a hassle-free upgrade process and get back to enjoying your vehicle's enhanced performance.

Emissions Compliance: Rest assured that our exhaust manifolds comply with all necessary emissions standards. Some applications listed are 50-state exempt. For complete details, please refer to CARB EO# D-550-36.

Take your vehicle's performance to new heights with our High-Performance Exhaust Manifolds. Unlock maximum power, efficiency, and throttle response while enjoying a hassle-free installation process. Invest in performance excellence and order now!