Ziptietech

Is it really a big difference?

Reason I ask is because I have number of problem in electrical power

1. Turning on my headlights, rpms drop then rise
2. Subwoofer (cheap amp and 10inch), causes too much stress on my electrical equipment
3. Anything else turned on, rpms drop still.

Ever since I got the car it's always been doing that.

Question is, will the quest alternator help in this situation

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STAY ZENKI