Sports exhaust with Valvetronic switchable sounds Porsche 997 C2 / C4 / C4S

Porsche 997 C2, C4, C2S, C4S. Lambda oxygen sensor, AFTER catalytic converter. Porsche 997 MK2 3.6L / 3.8L - 9. Design911 is renowned as a leading supplier of dedicated parts for Porsche enthusiasts, catering to a wide range of Porsche models.