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Yes and no. All wires do the same job but it goes to how well they do them and for how long. Cheap wires in my experience burn out quickly and are not worth the trouble. Heavier more expensive wires are better at isolating the spark and carrying the energy without loss or misfire/crossfire. Heavier wires also prevent some ghost signaling on your radio/stereo.
Now the question comes as to what you are using them on. On a daily driver I wouldn't go for the most expensive unless you DD an expensive luxury or performance car. Middle of the road is good for a middle of the road car. On my DD I have used Autolite and have had good luck. Never have used NGK (they make good plugs IMHO) or MSD or Accel.
These all just my personal opinions and I am sure others will disagree saying spend the most and get the best.
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bunch of random cars and bikes.
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