
Upgrade Your LML Duramax with the AFE 46-20112 Intercooler
Transform the performance of your LML Duramax (2011-2016) with the AFE 46-20112 Intercooler, engineered to deliver substantial gains in airflow and efficiency. This high-performance intercooler is designed to be larger than the factory unit, featuring advanced multi-directional vanes that optimize airflow and significantly lower exhaust gas temperatures (EGTs), enhancing your engine’s overall performance.
Constructed with 100% TIG-welded seams, the AFE intercooler ensures exceptional durability and reliability, built to withstand the rigors of demanding driving conditions. The 3" stainless steel tubes and heavy-duty 4-ply couplings provide a secure and robust connection, making installation straightforward and hassle-free.
By upgrading to the AFE 46-20112 Intercooler, you can maximize your Duramax's capabilities, achieving improved throttle response and overall power.
Features and Benefits:
- Enhanced Performance: Designed to lower EGTs, resulting in improved engine efficiency and power output.
- Durable Construction: 100% TIG-welded for maximum strength and long-lasting reliability in high-performance applications.
- Optimized Airflow: Multi-directional vanes facilitate improved airflow for better intercooling efficiency.
- Robust Design: Features 3" stainless steel tubes and 4-ply heavy-duty couplings for durability and a secure fit.
- Easy Installation: Engineered for straightforward installation with all necessary components included.
Elevate your LML Duramax’s performance with the AFE 46-20112 Intercooler. Order yours today and experience the difference in power and efficiency on every drive!

Upgrade Your LML Duramax with the AFE 46-20112 Intercooler
Transform the performance of your LML Duramax (2011-2016) with the AFE 46-20112 Intercooler, engineered to deliver substantial gains in airflow and efficiency. This high-performance intercooler is designed to be larger than the factory unit, featuring advanced multi-directional vanes that optimize airflow and significantly lower exhaust gas temperatures (EGTs), enhancing your engine’s overall performance.
Constructed with 100% TIG-welded seams, the AFE intercooler ensures exceptional durability and reliability, built to withstand the rigors of demanding driving conditions. The 3" stainless steel tubes and heavy-duty 4-ply couplings provide a secure and robust connection, making installation straightforward and hassle-free.
By upgrading to the AFE 46-20112 Intercooler, you can maximize your Duramax's capabilities, achieving improved throttle response and overall power.
Features and Benefits:
Enhanced Performance: Designed to lower EGTs, resulting in improved engine efficiency and power output.
Durable Construction: 100% TIG-welded for maximum strength and long-lasting reliability in high-performance appli[...]
Upgrade Your LML Duramax with the AFE 46-20112 Intercooler
Transform the performance of your LML Duramax (2011-2016) with the AFE 46-20112 Intercooler, engineered to deliver substantial gains in airflow and efficiency. This high-performance intercooler is designed to be larger than the factory unit, featuring advanced multi-directional vanes that optimize airflow and significantly lower exhaust gas temperatures (EGTs), enhancing your engine’s overall performance.
Constructed with 100% TIG-welded seams, the AFE intercooler ensures exceptional durability and reliability, built to withstand the rigors of demanding driving conditions. The 3" stainless steel tubes and heavy-duty 4-ply couplings provide a secure and robust connection, making installation straightforward and hassle-free.
By upgrading to the AFE 46-20112 Intercooler, you can maximize your Duramax's capabilities, achieving improved throttle response and overall power.
Features and Benefits:
- Enhanced Performance: Designed to lower EGTs, resulting in improved engine efficiency and power output.
- Durable Construction: 100% TIG-welded for maximum strength and long-lasting reliability in high-performance applications.
- Optimized Airflow: Multi-directional vanes facilitate improved airflow for better intercooling efficiency.
- Robust Design: Features 3" stainless steel tubes and 4-ply heavy-duty couplings for durability and a secure fit.
- Easy Installation: Engineered for straightforward installation with all necessary components included.
Elevate your LML Duramax’s performance with the AFE 46-20112 Intercooler. Order yours today and experience the difference in power and efficiency on every drive!