2011 Toyota 4Runner (1GR-FE) Tuning Guide

Tuning Summary
The 2011 Toyota 4Runner has a strong aftermarket presence, a robust V6 engine that is known for its tunability, and a significant cult following, especially among off-road enthusiasts. While not a traditional 'sleeper', its capability and modification potential contribute to its enthusiast appeal.
Tunability Score
Max HP Gain
+80-120+ hp, +100-150+ lb-ft torque (cumulative)
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- Tuning Score
- 6/10
3 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
- Strong, Especially For Off Road And Utility Modifications.
Healthy support for common builds
Aftermarket support is Strong, Especially For Off Road And Utility Modifications. with a score of 9 out of 10.
- Estimated HP Gain
- +80-120+ hp, +100-150+ lb-ft torque (cumulative)
Highest published stage gain
Estimated peak stage gain is about +80-120+ hp, +100-150+ lb-ft torque (cumulative).
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Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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