Fi Exhaust Front Pipe + Mid Y-Pipe + Valvetronic Muffler + Quad Silver Tips + Fi PRO App Remote (OBDII) - Porsche 9YA.1/ 9YA.2 Cayenne 3.0T 2018-UpUnlock deeper sound and sharper performance from your Cayenne 3. 0T with Fi Exhausts full Valvetronic cat back system. This setup includes a high flow front pipe, mid Y pipe, and a precision engineered Valvetronic muffler to increase exhaust flow, reduce backpressure, and deliver a more responsive throttle feel across the rev range. With the Valvetronic system, your Cayenne gains dual personalities: valves open for a richer, more aggressive tone with