Has anyone tried the NGK Iridium IX spark plugs?
#2
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plugs in the Acura and I will put them in my S4 when it needs plugs. For the $ (IIRC, I paid something like $6 or 7 ea for them at Advance or AZ) they are great plugs. They might not last for 60k miles, but I think plugs should not stay in for longer than 40k regardless, but that's just me. I would strongly recommend them!
#5
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Yes, I have them. Love them!! That plus an air induction kit, made my car rev more easily to redline. Love the sound. Planning on trying Bosch +4 with Iridium. Since orginal came with NGK similar to Bosch +2.
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