I just install a Double Din HU in my car recently.The shop guy tel me to install a relay with it for better performance.The relay is very expensive as RM100++.What is the relay function for the audio system in our car?
in some cases, a relay are used to direct another better source of current to a system, but if install a headunit must add in relay is just a gimmick. unless you got some special mod on ur system. Find a good installer and you are saved from these marketing stuffs......
I love tuners, I really do, I like what they do and what they stand for. They turn perfectly boring cars into a whirlwind of horsepower and torque exist solely to satisfy our need for speed. Well that’s how it was before, now they do that, and make they car look like a dream at the same time. I’m lusting over this Italian beauty that just had a helping hand from Novitec, the sleek bodykit and...
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