Porsche 997 Carrera/S/4/4S iPE Cat Back System Lamborghini-Murcielago-2009 We produces an extremely loud

We produces an extremely loud and aggressive sound as well as a comfortably quiet cruise by the push of a button when you wished for

Highlighting the mean tone from its i4 engine

such as POP&Crack

but also provide improved performance and a unique

When the valves are closed

Porsche 997 Carrera/S/4/4S iPE Cat Back System Lamborghini-Murcielago-2009 We produces an extremely loudThe Porsche 997 Carrera series refined with an iPE Innotech Performance Exhaust system generate an outstanding high pitched racing sound as well as a comfortably quiet cruise by the push of a button when wished for. Our Valvetronic exhaust delivers both power and dynamic valve control to the driver's seat. The full system comes with a remote control module including 3 different modes: on, off, and auto. In on mode, the valves are fully open for