The difference really comes down to brand recognition, price, and warranty, but apart from that they are very similar. Dexter is a leading brand and people know they are getting quality, hence the higher price. They Dexter also do have a 5-year warranty compare to the etrailer brand's 1-year warranty.
Going with the etrailer brand doesn't mean you're getting a bad set of brakes though; in fact, with thousands of customer reviews on both sets, each is rated very close to 5 stars. Really... view full answer...