A stock block Focus Zetec has done 300whp with 115octane and a turbo only, or a mix of boost and nitrous, so since our engines are internally identical, it's theoretically possible to do a 200shot.

However, the tuning would have to be perfect, you'd have to run it dry because there is a good likely hood of having a nitrous backfire with that big a wet shot. Also there would be a good chance of backfire even dry, so you'd have to direct port it and it's not a good idea to direct port the stock plastic manifold, so you'd need the ford racing aluminum intake manifold. And with those cylinder pressures, any mistake and the rods are toast.

2000 Rio Red I4 Cougar 200whp & 210wtq at 9psi 254whp & 276wtq with NX 35shot WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip