Using this Perrin turbo inlet hose is easy. First, gather all the necessary tools and make sure you have the installation instructions on hand. You'll likely need to remove the intake manifold during the installation process, which may take about 3 hours. Once installed, your Subaru will experience improved airflow and more power. For maintenance, regularly check the hose for any signs of wear or damage, like cracks or leaks. Keep it clean to ensure its long - lasting performance. Remember, this product comes with a 5 - year manufacturer warranty, so if you have any issues, you're covered.