It's hard to judge value right now on toys, seems across the board prices are up which holds true for the LS1 f-body. If that car is super clean, I'd say he's in the ball park. The 6 speed and being an SS is where a lot of the value is. I know people say aftermarket parts don't add value to a car, but the 12 bolt is a major plus, the pro charger adds some value as well. That's my opinion and if you're planning to keep the car, I'd probably go for it. Not sure how much room there is for profit if you plan to flip it but I could be wrong. I like my 4th gen a lot. I do wish mine were a 6 speed car, though.