I wouldn't give a pinch of coon sht for that piece of garbage.
First off-Our fuel filters are 3 micron. 3 people. The smallest you can see is about 40 micron. Red and white blood cells and water are bigger than 3 microns!!
This is to keep contaminents out of the fuel system. Because there are no seals between any of the moving parts in the pumps or injectors in the common rail fuel system, they machine the parts to be within 10's of thousandths of an inch tolerance and use the fuel as a lubricant and also as a sealing component between these parts.
Which brings me to my next point. Who in their right mind knowing this would want to have a fuel bypass for when the filter gets dirty? RETARDED!!:doh:
As a pre-filter in the system, yeah this might be a good product. As a direct replacement for the stock filter, ABSOLUTELY NOT!!
Anybody that says that this fuel filter will result in better fuel mileage and that it improves fuel/air efficiency has no clue what they are talking about anyhow!! Same people that probably sell tornado air spinners for turbo diesels!