Originally Posted by 135Pats
If theyre gapped properly they wont cause any issues, like you said its "just" plugs. But the benefits are pretty modest on stock turbos, going a step colder really helps the upgraded turbo folks. If youre making alot of power on stockers (fbo+meth+e85 type power) then it would make some sense.
exactly , no need for NGK at all. just run OEM Bosch