DC Sports SRI4408 Ram Intake System DC Sports easy direct bolt-on replacement part. Includes instructions and all necessary hardware. Dyno tuned and tested for maximum performance. reusable dry filter with built in velocity stack. Aluminum alloy construction with corrosion resistant powder coated finish. Direct bolt on design. Designed for maximum power gains. Provides performance and value. Increases horsepower and torque. Easy to install in the engine bay. Improves throttle response. Air intake velocity is greatly increased.