When you demand maximum air flow, Derale High-Output Dual Fans are the best choice for any application. By removing a vehicle's belt-driven fan, you increase horsepower, torque, and fuel economy! These dual high output electric fans are some of the most proven and reliable fans available, generating the most real-world airflow in the smallest package. The available natural, non-finished aluminum shroud gives the user the freedom to polish, anodize, paint, or simply leave it raw to create a truly custom look for an affordable price. .