Audi RS3 Remus exhaust non res GPF back system.

This system is a valve system that works direct with the drive select.

RACING GPF-Back-system for AUDI RS3 Sedan & Sportback, Type 8V (with GPF).
consisting of a sport exhaust centered for L/R-system, non-resonated RACING GPF-back front section and one of eight tail pipe sets.

Tube diameter:
Original tube Ø 70 mm
REMUS tube Ø 76 mm