Fox 2.5 Performance Series Remote Reservoir Smoothie Shocks with DSC Adjuster come pre-tuned from AccuTune Off-Road. Every 2.5 Performance Series Fox Smoothie Shock is tuned using engineering equations to provide the best performance for your vehicle and your terrain. Performance Series Remote Reservoir 2.5 Fox Smoothie Shocks with DSC are built with industry standard construction and can be rebuilt and re-tuned so they provide excellent performance and last a lifetime. Performance Series 2.5 Fox Smoothie Shocks are designed for weekend warriors and offer a standard piston, high carbon steel piston rod, premium oil, buna seals and large reservoir. By adding the Fox DSC (Dual Speed Compression) Adjuster it is possible to externally adjust high speed and low speed compression so you can separately control performance when bottoming and when driving through whoops. Experience new levels of ride quality with Pre-Tuned Performance Series Fox 2.5 Remote Reservoir Smoothie Shocks with DSC from AccuTune Off-Road.