2011-2016 GMC 6.6L Duramax Diesel Turbo Piping Kit CCV PCV Reroute Kit GenericProduct Overview: Vents crankcase blow by to reduce oil deposits inside the engine Prevents boot soak and intake gumming, extending component lifespan Eliminates the need for a crankcase box, freeing space under the hood Venturi style design removes the need for restrictive internal baffles Minimal oil lossno risk of puddles under the vehicle Straight routing design ensures smooth pressure flow without oil dripping Includes 5Ft silicone reinforced