Title: Nothing special
Product review: I was replacing the original plugs that came new with the vehicle. The old plugs were in for over 135,000 miles and were well past due to be replaced. My fuel mileage has been slowly getting worse and has dropped almost 5 mpg since the vehicle was new, so I was hopeful that putting new plugs in would increase the fuel mileage. After installing there was only a .5 mpg change in my fuel mileage. After checking with the E3 spark plug website, I found out that I was sold the wrong plugs for my vehicle. I was sold the same plug but in 1 heat range hotter than my vehicle should be using. The acceleration is sluggish and the vehicle has to kick out of overdrive just to get over minor inclines at highway speeds when it never would before. I can't say that I am happy with this product at all
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