Trucks / HGV · ECU Remapping
DAF LF 55 6.7L - GR165 221 hp Tuning (2001–)
Factory specification and Stage 1 remap gains for the DAF LF 55 6.7L - GR165 221 hp (2001–). A Stage 1 calibration adds 40 BHP and 126 Nm — software only, no hardware modifications required.
| Measure | Original | Stage 1 |
|---|---|---|
Power BHP | 220 | 260 +40 BHP · +18% |
Torque Nm | 850 | 976 +126 Nm · +15% |
+40 BHP
Stage 1 power gain
+126 Nm
Stage 1 torque gain
Power & torque curves
Illustrative Performance Curve
Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.
Hover / touch the graph
Stock: 220 bhp · 850 Nm (peak)
Stage 1: 260 bhp · 976 Nm (peak)
Tuning tool compatibility
This ECU was not found in the manufacturer compatibility databases we cross-reference.
AutoTuner
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Alientech KESS3
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Magicmotorsport FLEX
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Dimsport New Genius / New Trasdata
Not listed
Not found in this manufacturer's published data — ask us, coverage updates frequently.
Existing customers upload their ECU file via the Regal Tuning File Portal. New to Regal? Request a quote first.
20+ years of ECU calibration
Ready to unlock your DAF LF 55's real performance?
Tell us your truck and registration — we'll confirm support and the exact expected gains for your engine before any work begins.