2026 Toyota 4Runner Tuning Guide
Tunability Score
Max HP Gain
+50-80 HP
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- Tuning Score
- 6/10
2 published stage paths
Tuning score is 6 out of 10.
- ECU Access
- Moderate
Access limits faster builds
ECU access is Moderate with a score of 4 out of 10.
- Aftermarket Support
- Growing
Support varies by build target
Aftermarket support is Growing with a score of 5 out of 10.
- Estimated HP Gain
- +50-80 HP
Highest published stage gain
Estimated peak stage gain is about +50-80 HP.
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SourcesShow 20 sources
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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