Hey Dudes! anybody here heard and tried modified spark plug? Can you give your opinion and advise for this? I saw an ads commercializing the modified spark plug for Php 1,000. As per ads its clean the exhaust system, 3 to 6 times longer use, increase engine power and fuel savings and reduced tune up needs.
Thanks.


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stay with stock, your car will last longer. Be wary of the modified spark plug wherein they will put a little hole at the electrode, this is the biggest scam of all

