Result of our R&D, the SCART type Riva sound of this exhaust is both gutural, hoarse and metalic slow motion. At cruise speed, the sound is softer than the original one. And in the acceleration we find the aggressive sound of the old 911.
It can be mounted with the original catalyst, but we must know that it is very contraingnant and come down significantly the sound of this exhaust.
We strongly recommend an assembly with our 100cc sport catalyst.
This sport muffler type Riva is mounted on:
> All 964