This arrived in the time specified and it was a simple installation. So far, so good with the product itself. It is just what I wanted at half the price Mazda charges.

This book makes coming up with the right phase for your annual reviews easy and painless. It's not that you need to copy/paste directly from the book, but it's how the phases are worded that are so very useful.

I've been using it for a little over a week, it makes me feel more focused , energy is a little higher but still have some time to experiment with it :)