LOOKS 100 times better than regular stock wheels...awesome! You should consider, like some already mentioned, just simply adding a thin stripe on the edge of the wheel. You can simply go to a car shop and get some yellow pin strip wheel and apply...it is the easiest way to spice them up.
Here are a couple of examples of what I did with a set of CCW's...made a world of a difference. I tried it on my Z06 as well and liked the final result.
I used to have the stock chrome wheels, and while they were in excellent shape, it was simply too much bling for me...I really disliked them. I actually did not enjoy driving the car because of them...after I changed the looks of the wheels, I drove the car a LOT more.
Here is what they looked like before, just in plain jane black.
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And here is how different they will look by adding a little color to the edge. I think yellow would look awesome.
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Eventually I bit the bullet and dropped it and added some HREs
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Both the Viper wheels and the Z06's wheels were done using the pinstriping that I was telling you about (about $ 5 investment and 5 minutes per wheel to apply). To date, I have yet to find a set of wheels for the Z06 in stock sizes that weigh less and that look good - without having to pay $8k for...so until then, these are staying.
Look how the color breaks when you add the stripe. Here is a before while the wheels are on the car (I liked it but I wanted to add a little break)...
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And here is after...I was VERY happy with the results...
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The stripe will look much nicer especially when the car is rolling...it adds a little break in the color...
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...on the highway...or at any speeds...LOL
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