Review on 20308 Stage Power Control Module by Jason Vigil
actually works. in Ignition Parts
Purchased to help my 03 Silverado 4.8 tow a 4100 lb trailer. The module gave a noticeable difference in performance and a little in the stiffness of the displacement. MPG even helped pull the trailer. I'm glad I bought it and it works as advertised. Used to use other chips for tuning, programmers (hypertech does nothing), and jet really works. Use a lower temperature thermostat and higher octane gas for even more gain. You can feel the difference.
- Dynamic Spectrum Air Fuel Ratio Tuning
- Weight
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