The Lifetime Warranty and 100% money back guarantee says it all. These things are VERY bright and intense, almost blinding..., and unlike most LED's, have very good side viewing and are DOT approved. They are a bit pricey although can be found for less on eBay. Installed these with a RTB Module and am very happy with the results.

http://www.nomagicneon.com/ledturnsignals.html

Took some pics but could not download due to file size. The pics do not do them justice anyways.