CIPA or Aero 2 mirrors?

PPL (ppl.com) has the Grand Aero mirrors for $94.50! I've got them and they really do the job. The Grand mirrors are larger and provide a better view. Of course, that depends if they will fit on your Nissan.

I have the CIPA mirrors and they have worked well. Check the straps every so often to make sure they are tight, they will stretch in warm weather.

To prevent the straps from decaying quickly, store then in a dark place when not being used.

I also have had both. The CIPA straps will decay with age and I would have to replace the mirrors about every 1.5 to 2 years; I never found any replacement straps so I'd end up buying the whole unit again. Other than that I had no problem with them staying on my Highlander.

So then I tried an Aero. They worked also, but the gap between the vehicle's mirror and housing was too small (about 1/8" gap at most) to allow the OEM mirror to move properly. In other words, the clamps on the Aero would intrude too far and bind the OEM mirror in an unnatural position, rendering that mirror about useless. I didn't have this problem with the CIPA, so the latter remained my preferred mirror. I'm sure it's a problem that not every vehicle mirror would have, though. On the Lexus GX I just bought this month, the housing-to-mirror gap is more like 1/4" and the Aero should work fine.

Yep. Had them both. I had a problem with the CIPA mirrors staying on my passenger side. I have an Expedition with the turn signal below the mirror. I tried everything I could think of, from the CIPA, to the suction cup ones. The Aero were the only ones that would stay since they clamp onto the mirror frame.

The Aero mirrors are rock steady too. All of the other ones I use vibrated very bad. So much so that I was ready to give up having a mirror on the passenger side since I couldn't see anything anyways. I LOVE using the Aero mirrors. I've only had them a year, but I wished I had started out with them. I thought I could get by cheaper. It was definitely worth the expense to get the Aero.