It entails replacing main parts of the front end with parts that weren't meant to be there. If you're replacing the fenders, or cutting and blending them, that entails major body work. The paint work would have to be top notch as well and even then its a huge blemish on history of the car. It would absolutely murder resale value, theres no doubt about it, any trade in would be absolute shit, because no dealer could sell it.
I would never buy a b6/7 frankenstein, and I'm an Audi enthusiast and if its done well I would appreciate the money and effort spent. But I still wouldn't touch it. Its possible you could convince some moron that its a b7 though...
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