Has the dealer already taken apart your car? How do they know things are bad/warped? The clutch is NOT covered under warranty, but the fly wheel should be. Proving that the clutch wasn't not the cause and the flywheel was would be hard for you to prove. A nice clutch would cost about 400 and fly wheel would be about the same then you would have labor on top of that. Like erik said for the same price you can have some nice upgrades in those departments versus factory stuff.