Description
Milltek Audi S8 D4 Quattro – Hi-Flow Sports Cats is a genuine Milltek product supplied under part number SSXAU953.
Official Milltek fitment:
- Audi > S8 > D4 4.0 TFSI quattro Tiptronic > 2013 to 2018
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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