Vehicle and workshop
- Vehicle make and model
- Toyota Alphard AGH40 2.5
- Service category
- General Auto Repair
- Workshop
- Sri Kuching Car Audio & Air Cond Service Centre, Taman Mastiara, Kuala Lumpur
Customer concern or upgrade request
The owner requested stronger acceleration while retaining daily drivability and a low-maintenance setup.
Repair and upgrade work
The owner requested a performance upgrade for the AGH40 2.5 — seeking stronger acceleration while keeping daily drivability and low maintenance. We installed a twin-screw supercharger package with an integrated water-cooled charge system and completed a tailored ECU remap to match the new hardware, ensuring safe boost delivery and reliable operation.
- Twin-screw supercharger hardware installation
- Water-cooled charge system setup and leak verification
- ECU remap for boost, fuel, and drivability calibration
- Post-install diagnostics, road test, and performance validation
Components used in this case
- Twin-screw supercharger package
- Integrated water-cooled charge system
- ECU remap matched to the installed hardware
Testing and verification
The work included charge-system leak verification, post-install diagnostics, a road test and performance validation. The recorded result describes stable ECU operation under load and temperatures within the workshop's targets.
Documented outcome
Noticeably stronger mid-range pull with smooth driveability for daily use. Water-cooled system operating within temperature targets, ECU remap stable under load, and a low-maintenance setup suited to Alphard family use.
Workshop photo gallery
5 workshop photos documenting this Toyota Alphard AGH40 2.5 case. Select a photo to enlarge it.
Questions about this Toyota Alphard AGH40 2.5 case
What was included in the Alphard AGH40 supercharger installation?
The package included twin-screw supercharger hardware, a water-cooled charge system and an ECU remap for boost, fuel and drivability calibration.
Does this case include a measured horsepower gain?
No dyno figures or measured horsepower gains are included in the workshop record. The documented outcome describes stronger mid-range acceleration and smooth daily drivability.








