I HAVE THE VENOM VCN 200 KIT ON MY 2001 ZETEC AND IT WORKED AMAZING IT IS VERY SAFE ALMOST TOO SAFE. IF IT SENSES THE ENGINE RUNNING LEAN IT AUTOMATICALLY STOPS SPRAYING, IF YOU HIT THE LIMITER I T STOPS SPRAYING. IT IS ALSO A WET KIT IT IS TIED INTO YOUR INJECTORS AND WHEN IT SPRAYS IT ALSO HOLD THE INJECTOR PULSE OPEN LONGER TO SPRAY MORE FUEL TO COMPENSATE FOR THE NOS. I HAD MINE SAT AT 39% AND START SPRAYING AT 3500 AND AT WIDE OPEN THROTTLE. IT DYNOED AT 190.2 @TFW AND 171.2 FTQ ITS FASTEST TIMESLIP WAS A 14.19 @ 99.2 MPH WITH STREET TIRES. IT HAS SINCE BEEN RETIRED FOR MY 2.3L DURATEC THE ZETEC HAS 100,000 MILES ON IT NOW AND THE ENGINE RUNS FINE ITS JUST A WORK CAR NOW, STILL HAS THE KIT ON IT WITH ALL THE OTHER BASIC BOLT-ONS HAVE NEVER REPLACED A THING OTHERWISE BESIDES TIRES AND BRAKES. ALSO ANYBODY THAT KNOWS ANYTHING ABOUT NOS KNOWS THE VENOM KIT IS THE BEST OF THE BEST