89 reactions | This video goes over the wiring harness and electronic control unit. Expect rapid, 200–300 RPM faster spool-up, stronger low-end torque, improved fuel economy, and lower exhaust temps—even while towing or daily driving. It keeps your exhaust brake, works with emissions, and outperforms any modified stock setup. Typical horsepower gains land between 10–25% — and it handles that with ease. | Diesel Power Source | Facebook