Using this Perrin Red Turbo Inlet Hose is easy. First, gather all the necessary tools. You can start the installation process which is estimated to take about 3 hours. There's no need to tune your vehicle after the installation. This hose is designed to fit your Subaru's stock or any 2.4 - inch turbo compressor at the stock location. As for maintenance, regularly check the hose for any signs of wear and tear, especially around the areas where it connects to other components. Since it's made of silicone, it's quite resistant to heat soak, but try to keep it away from extremely high - heat sources for long periods. If you're upgrading your turbocharger, it's a good idea to upgrade this inlet hose at the same time to make the whole installation process much smoother. Remember, this product comes with a 5 - year manufacturer warranty, so if you have any issues, you can reach out to the manufacturer.