Installing the drivers seat 3 inches backward

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2011 Mazda2 Touring
I also would like to know how this turned out! Thanks!

Sorry I need to get some pictures. I was able to move the drivers and passenger seat back about 2 1/2 inches. It is now drivable for me and I can sit in the passenger side .I want to try to push the drivers side back another 1/2 to 3/4. The problem is there is a wire bundle under the carpet so to clear that I needed to raise the seat about 1/2 inch.To fold the rear seats I just remove the headrest and the seat folds fine and still have full seat travel.
 
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2013 Mazda 5 Sport
I just contacted https://extendmyseat.com/ and in the chat window it seems I convinced a rep to register my product development request to build a seat extender for the Mazda 5. It will help to move them forward with this request if anyone/all of you tall folks also go to this web site, start a Chat, and tell the rep that you also want a seat extender for the Mazda 5. It can happen! (P.S., They refuse to become a reseller for the Bever company in the Netherlands, but at least they are listening to the US customer base!)