Spark Plug Wires - Cost???

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2016 Mazda CX-5 GT AWD w/Tech & i-Activesense
I'm going to be changing spark plugs soon the car has about 73000mi on her and I haven't changed plugs since it got it a year ago and I don't when they were last changed so I'm going to be safe and just do it. But do I also need to change the wires as well? If I do whats a good set to get and how much do they cost? I stopped at Baxter's auto here in Oregon to get some plugs and asked about he wires and they said about $58 for the NGK wires (there's only two). Are there other wire's I should look at? Does Brand Matter? and do I need to change coilpaks as well? Please help me sort this out a bit. Thanks.
 
Are they really blue like that? That would look a bit weird to me, I would prefer black or red to go with the rest of the stuff under the hood but if they're the best I will have to deal with it, how often do i really look under the hood. And Do I really need to change them at 73000 miles or no. The ones in there now don't look like stock Mazda ones. They don't say mazda on them at least.
 
Yes they are in blue. I think the NGK only comes in blue color. At 73K it's time to replace. also my stock wire didn't have mazda logo anywhere.
 
ngk plugs are the best for our cars cause we have high combustion motors dont be cheap n buy champions for a dollar n when you change your plugs you get better gas milage
 
NGK plugs, NGK wires. Mazda actually sells the ngk wires, but they come in a Mazda box. Same blue wires. Good luck.
 
Do I need to change the coil paks as well? Or will I be good with just the plugs and wires? FYI I ordered the NGK ZFR5F-11 long reach plugs and the NGK wires.
 
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