aFe BladeRunner GT Series Intercooler | Dodge Diesel Trucks 03-07 L6-5.9L (46-20011)BladeRunner Intercooler (46 20011) by aFe. The BladeRunner Intercooler will increase airflow to your engine and reduce intake air temperature, improving combustion and increasing horsepower and torque. aFe uses MDV technology to improve airflow through the cooler, making heat transfer more effective. The bar and plate core design also allows for greater airflow and increased heat dissipation when compared to the factory tube and fin core design. When