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Mercury Mercruiser Mercruiser 300

All · 300 hp
Stage 1
OriginalAfter tuningDiff
Power hp300 350 +50
Torque Nm390 455 +65
Power gain
+17%
Torque gain
+17%
Ready to feel these +50 hp on the road?
Get your ready-to-flash Stage 1 file for the Mercury Mercruiser
Order tuning file →
Stage 1 file from €95
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph