Akrapovič Sound Kit for Porsche 718 Cayman GT4 RS IAG The main difference is that

The main difference is that an AOS system returns what is collected back into the oil pan so there is no servicing required

Upgrade an already K-Pro'd ecu for use in an 05-06 RSX (includes adapter harness and ECU modification)

We recommend this process for supercharged applications

This system is intended for use on closed-course competition circuits only because it is a racetrack-oriented part

1/8 NPT Gauge / Pressure Sensor Port

Akrapovič Sound Kit for Porsche 718 Cayman GT4 RS IAG The main difference is thatSPECIAL ORDER The optional Akrapovi Sound Kit enables owners of selected Akrapovi car exhausts to control the sound of the system from the cockpit of their machine. Using Akrapovi technology, drivers can easily switch between the quiet mode and a sportier sound. Pictures are symbolic.