Porsche 911 Carrera 964 (1989–1993)

This is a custom-made 1994–1998 964 Carrera (911) exhaust system made from SS304 stainless steel. It includes a smart switch with three modes and remote control functionality.

• The description claims that the open valves allow freer exhaust gas flow, while closed valves maintain backpressure at low RPMs to preserve torque.
• The description claims that the system can improve performance without losing torque.