Author doesn't mean to promote above brand about voltage stabilizer. But you can judge which the one much better to install. Plenty of brands out there. PIVOT, HKS also have it. The best if you look the one can keep the power at least a single ignition just in case your battery failure.The best you can added with extra grounding.
Voltage stabilizer for car was proven improve the efficiency and more mileage.You can compare with dyno test.
-autosaloon bring you to the limit.