We can say, however, that the V-8's retuned exhaust is much more aurally subdued. On overrun, the outgoing V-8 cars always sounded like someone tossed a string of firecrackers into a drainage culvert—fun till the cops show up. There's still a snarl when you back off the throttle, but you no longer expect the exhaust to leave a trail of lightly smoldering shrubs in your wake. There's even a Quiet Start mode, so you can turn on the car without becoming the 575-hp rooster of your neighborhood. Dig deep enough into the throttle, though, and the pipes will open up regardless of the mode.