This is in my opinion the very best water injection system out there. (cjbyron.com)
Bosch developing series production water injection system for SI engines to reduce fuel consumption and improve performance (greencarcongress.com)
But despite the lightening tricks, the additional aero components, rollcage, and the new water injection system actually put the final weight of the GTS at 3,610 pounds, a shade lighter than the standard car. (automobilemag.com)