Increase the fire power of your ignition by adding Infiniti M45 spark plugs to your mid-size luxury sedan's engine. The intense explosion produced by these M45 performance spark plug sets means you see better performance and enhanced fuel economy, as a result.
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By reading our M45 spark plug reviews listed below, you'll see that most consumers feel amazing results in acceleration and throttle response with the new plugs. What's more, these Infiniti M45 racing spark plugs won't harm your engine or void your car's warranty. And, they're made so well that they come with a limited lifetime warranty.