RacingLine High-Flow Panel Air Filter Audi RS6 & RS7 C8Our High Flow Panel Air Filter, available for the mighty 4. 0 TFSI Audi RS6 & RS7, replaces the restrictive factory paper filter element with an improved, high flow and reusable lifetime triple layer Trifoam filter. Put simply, its the best V8TT Panel Air Filter you can buy. OEM standards of design, quality, materials and construction, hand made in the UK. Fits like a factory part; lasts like a factory part. Allow your engine to breathe better and