Produktinformationen "Milltek SSXAU447 Cat-back Quad 100mm GT100 - Audi S6 4.0 TFSI C7 quattro (2012 - 2018)"
Resonated (quieter) with Cerakote Black tips. Some 2016 and later models have an updated valve location on one rear silencer meaning the wiring loom needs extending to accommodate.