I bought a set of nology wires for my focus and after installing and testing on the dyno I lost 2.4whp this was very upsetting to me. so I contacted nology and they told me I had to buy there special silver spark plugs which were never mentioned in their advertisement. to make a long story short I did that and was still at a loss of power by about 1whp and the car was running alot richer, I contacted them for a refund and they refused to accept a return. For wires that cost so much I found this to be apauling. so in my anger I took a knife to the wires and I made a shocking discovery the ground that connects to your engine block on each wire doesn't go anywhere it is just rolled into the sleeving and there is nothing in the wires that stores spark energy.So I took a meter to the wires and found that these 200 dollar wires have more resistance than Steeda or focus racing wires after all of this I felt totally mislead by nology. They refused to give me a refund and in my opinion a pair of 30 dollar wires would have done fourty times better and I don't see how they get away with false advertising. my best advice is to stay away from them.