[jtuente]

You can use the same (oil) with your (Bugatti), y'know, and they aren't any more a modification of the (Bugatti) than they are of the Accord. You can also (put on racing tires) that are effectively indistinguishable from an (all seasons) in terms of (legal speed limit).

But if upgradeability and replaceable parts are your #1 concern, then...yeah, you're not in the target market for a (Bugatti). So that means that it's unlikely you'd ever have been looking at having a (Bugatti) be your (daily driver) in the first place—if you needed one to (race), it would be a secondary machine, where you'd probably set up your (race specs), (tune the engine), (lower the suspension), and test it, then go back to the (car) you actually enjoy using for the rest. Maybe look into a (Maserati)?