1. Mrmiata
2. velociabstract
3. S. Artee
4. SrWilliams
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I will admit that as a newbie I do not know what the heck a diffuser is, but Mr. Miata did such a great job on orchestrating the tuning kit group buy, which I also knew nothing about, that I have simply decided to let my money follow his lead until I become educated about this car. So, I am all in and ready to purchase