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Review on πŸš— Enhance Fuel Efficiency, Increase Horsepower & Torque – Lexus GX460 & GX470 4.6L/4.7L Performance Chip/Power Programmer by Tony Guernsey

Revainrating 5 out of 5

3mpg increase in my mileage

Bought this chip for a 2003 4 runner, ran 16mpg and now with the chip installed it took 5 minutes to install. (brown and black wire) I'm running 20 mpg. Amazing chip.

Pros
  • Consistent test results
Cons
  • Could have opted for a newer model