This Res-X Resonator Delete Installation Hardware Kit for the C8 Audi RS6/RS7 contains everything you need when installing the 034Motorsport Res-X Resonator Deletes on the RS6 or RS7.
(2x) VAG-8W0253115D, OE Exhaust Gasket
(6x) VAG-N91130802, Flanged, Distorted Thread Nut