SpeedART Reveals Cayenne Based Titan BTR 550

If a 500bhp Cayenne Turbo isn't a good starting point for a tuner car, we don't know what is. Adding 50bhp and 96lb/ft of torque (for a total of 612lb/ft) the Titan BTR 550 should live up to it's monstrous name. In addition to the engine mods, the Titan benefits from a sports exhaust that's switchable between loud and… » 2/19/08 6:00pm 2/19/08 6:00pm