Below you will find a gathering of technical information, most of which concerns Tuned Port Injection systems. This is intended for educational purposes only. Although we have made every effort to ensure that the information contained on this website is accurate, we cannot garauntee its correctness. We are not responsible for misprints or typographical errors. If you would like to see a specific topic discussed, or have a correction for an existing topic, please contact us and let us know.