How do you increase the horsepower on a N14?

To increase the horsepower on a Cummins N14 engine, consider installing performance-enhancing upgrades such as a high-flow air intake system and a more efficient turbocharger, which can improve airflow and boost performance. Additionally, reprogramming the engine's ECU with a performance tune can optimize fuel delivery and ignition timing for better power output. Upgrading the exhaust system to reduce back pressure can also contribute to horsepower gains. Always ensure that modifications are compatible and consider consulting a professional to maintain engine reliability.