VP44 Tuning Box (Cambus)

The VP44 Can‑Bus Tuning Box is built for pre‑Common‑Rail diesels with Bosch/Denso VP44 pumps. It installs in 10‑20 min using OEM‑compatible connectors and offers Low, Medium & High power levels—each adjustable. Expect smoother throttle response, up to ~30 % more torque/power, and potential fuel savings

https://dieselchiptuning.com.au/product/vp44-tuning-box-cambus/