The stock throttle wheel on a Miata gives a 1:1 relationship between pedal position and butterfly position. But what you really want is a 1:1 relationship between pedal position and airflow, and thus torque output. Since the butterfly is a ...
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Subtle and welcome upgrade
~5 minute install including a throttle cable adjustment(consider it required). Off idle change is subtle. High rpm high load change is noticeable and welcome. The last 25% of the throttle now has actual modulation compared to stock. Bonus that cruise control does not care about the change.
Anonymous · January 19, 2026
Works exactly as advertised!
Easy to install, fits well (snug fit onto throttle stud). It makes it much easier to drive leisurely at low RPM. One interesting side-effect is that the throttle plate closing spring force is lower when the throttle is closed and higher when the throttle is open. It not necessarily a bad thing but is a noticeable change.
T
TK · January 8, 2026
Fantastic product absolutely helps with gas mileage, and acceleration, so wonderful product!