depends on ur car actually. if the car is still new, it doesn make much different..but if >3 years old, it might make significant improvement to your overall electrical system.

Grounding and VS is not only for ice, it's for your car overall electrical system.

branded and non branded is equal to u eat nasi lemak from steven corner or normal mamak...some mamak is nice but not so fancy looking, some and not nice and not fancy looking...some branded are fancy but not nice..some are fancy and nice...

just get a grounding set with the real 4ga cable should last u for years