Then you've gotta hope the paint matches. With a new car and original owner it's probably fine, but if it's ever been repainted, faded, whatever, there's no telling if it'll match.
For my mods I try to get reasonably and cheaply close, and call it good. I've even though of painting my mods eco-green, highlighting the parts that have been added to increase FE.
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![](http://ecomodder.com/forum/fe-graphs/sig1937a.png)
Winter daily driver, parked most days right now
![](http://ecomodder.com/forum/fe-graphs/sig731a.png)
Summer daily driver
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