All of them will fit. Just so you know, those are V6 mustang side scoops and nothing like the ones you have now. I say just wait and get the right side scoop, dont waste money on the other ones. As far as fitment, all 99-04 scoops will work on your car.
CDC Muffler Bearings/AMCO Heavy Duty Clutch Belt/Synthetic Blinker Fluid/Forged Piston Return Springs(8)/ Camshaft Rotational Dampener/Forged Kuhneutson Valve/ K&N Exhaust Filter/ Air filter by-pass/ Steeda Radiator Insulation Bezel