Has anyone tryed using the bosch platinum 2 or 4 spark plugs in the X?

My X doesn't seem to be having as much power at 45,000 thinking of changing the plugs and wires. Wondering if the platinums are any better than the regular ones?

Any help would be apprecitaed

 

The X doesn't have wires they have coil packs! You might look in too the fuel filter or dirty throttle body or injectors if its a gas engine