E3 Spark Plugs???? OPINIONS????
Aparently e3 sponsored that show, so of course they're going to be great
**** walmart. if anything they just shroud more of the spark area, just a waste of money...changing plugs of any sort is not going to give you any real gain so long as both are in good condition and the same heat range
if some plug magically gave you 5-10 hp you wouldn't have to ask about them, it would be general knowledge
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