Valvetronic Audi R8 V8 / V10 Valved Sport Exhaust SystemThe Gen 1 Audi R8 made a lasting impression on many of us. Those killer lines deserve to be combined with an equally killer exhaust setup. Designed from the ground up, we offer two versions of this system. One for the V8 R8 models and one for the V10 R8 models. Both systems feature a large center X pipe for increased exhaust scavenging and power gains. This X pipe design also increases the pitch of the exhaust tone giving a high pitched wail so many