Using this K - Tuned center feed fuel system is easy. First, make sure all the parts in the kit are included and in good condition. The pre - assembled fuel lines can be directly connected to the relevant components of your K - swapped car. The Inline fuel filter should be installed according to the standard installation process. When it comes to the K - Tuned fuel rail, ensure it is properly aligned and secured. The K - Tuned FPR with a gauge is crucial for regulating fuel pressure. Mount it on the driver side shock tower in front of the brake master cylinder as required. As for maintenance, regularly check the fuel lines for any signs of wear or leakage. Inspect the Inline fuel filter and replace it if it gets clogged. Keep the K - Tuned FPR clean and check the gauge to ensure accurate fuel pressure readings. This way, your fuel system will serve you well for a long time.