Hello, I recently decided to buy an in-dash navigation system with the metra
kit. I found some good deals on eBay and I would like to ask if anyone actually
tried these kinds of stuffs.

I'm not sure about the eBay product quality.

Here's the link

http://cgi.ebay.com/ws/eBayISAPI.dll...=STRK:MEWAX:IT

1. How is the navigation quality?
2. How is the touch screen quality?
3. Will this make changes in audio sound quality?

Thank you for reading

 

You might aswell save abit extra and go for a known brand. These chinese units tend to mess up after a while and then theres not much you can do to fix them.

 

what known brands are there? can you recommand a few things please?

 

I've installed many of those eBay/off-brand headunits. They feel cheap and don't last worth a damn. And good luck trying to get the warranty.

The best deal on in-dash DD navigation units right now is Pioneer.
http://cgi.ebay.com/Pioneer-AVIC-X91...ht_2885wt_1137
I'd go with that one. Pioneer makes one that is slightly cheaper, but it's not much and doesn't play DVDs.