Using this turbo blanket is easy. Just fit it over your turbo. It's designed to fit all OEM Subaru turbos and most small - frame externally gated turbos. Make sure the blanket is properly secured so it can work effectively. When using, keep in mind the temperature limits. The interior surface has a max temperature rating of 2012 Deg F and a continuous use limit of 1832 Deg F. For the exterior surface, don't let it come in direct contact with things over 600 Deg F. To maintain it, check regularly for any signs of wear and tear. If it gets dirty, you can gently clean it with a soft brush and mild cleaner. This will help keep it in good shape and ensure it continues to protect your turbo components well.