Description
Milltek Large Bore Downpipe & Decat (Audi B9 RS4/RS5) is a genuine Milltek product supplied under part number SSXAU820.
Official Milltek fitment:
- Audi > RS4 > B9 2.9 V6 Turbo Avant (OPF/GPF Models) > 2019 and Later
- Audi > RS5 > B9 2.9 V6 Turbo Coupe (OPF/GPF Models) > 2019 and Later
- Audi > RS5 > B9 2.9 V6 Turbo Sportback (OPF/GPF Models) > 2019 and Later
Application verified against Milltek’s official product page. Price is the supplied Australian retail price including GST and excluding domestic freight.
Important fitment requirements
- Requires a Stage 2 ECU remap.
Please confirm vehicle details and required supporting hardware/software before ordering. Your VIN will be checked as an additional fitment safeguard.

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