Milltek downpipe, Audi RS4 / RS5 B9 2.9 TFSI (OPF)
A model-specific downpipe for the exhaust after the turbocharger. The supplied catalyst version and connection depend on your selection.
- Pipe size: 70 mm.
- Stainless steel construction.
- Catalyst and adapter supplied according to selection.
Replaces the original OPF/GPF particulate filter with a bypass section.
SSXAU820: Requires a Stage 2 ECU remap.
Versions without a catalytic converter or E approval are not approved for road use. Always check the local regulations for your vehicle before purchasing.
Included items
- The exhaust parts and accessories belonging to this product.
Please confirm the exact contents with the seller.
Fitment
Audi RS4 B9 2.9 V6 Turbo Avant (OPF/GPF Models) (2019–2026)
Audi RS5 B9 2.9 V6 Turbo Coupe (OPF/GPF Models) (2019–2026)
Audi RS5 B9 2.9 V6 Turbo Sportback (OPF/GPF Models) (2019–2026)
Related part numbers: Milltek SSXAU819, SSXAU820.
Suomi

