How To Clean EGR (exhaust gas recirculation) Valves

The innovative XFoam technology dissolves stubborn contamination in motor vehicle intake and exhaust systems very quickly. The outstanding spraying and wetting characteristics ensure the product quickly takes effect, does a very good job of dissolving dirt and has excellent flow properties. This is the optimal product for cleaning EGR valves and small components
in intake and exhaust systems.

[Fab-ecos]

I find it hard to believe that spray did that by itself!

[SWED]

Ahh thoses emissions you know we remove these in florida it wakes your car run faster with a tune ofcourse lol