The acoustics of this dual-mode sports exhaust system are dependent on driving style, ranging from standard output during normal road driving to a more aggressive tone during performance use. Modes are selected using a button on the center console (or ‘Sport’ mode button on vehicles with optional Sport Chrono Package/Sport Chrono Package Plus). **This system is only for vehicles equipped with the Sport Chrono or Sport Chrono Plus package. **Price includes free ground shipping!!! (US only)