Whipple Period.Consider where the source is coming from when people talk bad about a product.Dustin and his father have put a lot of time in to building a reputable product and they put there name on it.Vortech may make a good product,but how many people do you know running them and also consider how long it will take to get tech and part service should the need arise.If you go to Offshoreonly.com and search about Whipple products you will find a lot of good things.