MillTek
MillTek Audi D4 S8 4.0 TFSI Hi-Flow Sports Cats - Non-OPF
MillTek Audi D4 S8 4.0 TFSI Hi-Flow Sports Cats - Non-OPF
In Stock
Available to Order
Available on Stock Order
Price Match Guarantee
If you find a lower price at an eligible US retailer website, we will match it.
Questions about this part?
Our technical advisors can confirm fitment for your vehicle. Contact us with your vehicle details.
Milltek Hi-flow Sport Cats for the Audi D4 S8.
Please Note: Requires a Stage 2 ECU remap Fits only with Milltek Sport Cat Back
- MSAU663: LH 76mm Primary Cat Bypass Downpipe (fits LH Turbo)
- MSAU664: RH 76mm Primary Cat Bypass Downpipe (fits RH Turbo)
- MSAU636: LH Hi-Flow Sports Catalyst (under-floor)
- MSAU637: RH Hi-Flow Sports Catalyst (under-floor)
Audi S8 D4 4.0 TFSI quattro Tiptronic (2013-2018)
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your license plate or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
SSXAU953
Manufactured by
MillTek

Price Match Request
-
Price Match Guarantee
We are committed to giving you the best price. if you find a lower price on the same item at an eligible US retailer website, we will match it.
-
Fast US Delivery
For in-stock item, get guaranteed fast US delivery. Same day dispatch available on in-stock items if your order is placed before 1pm ET.
-
Worldwide Shipping
We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 1pm ET on all in stock items!
We appreciate your feedback. Your opinions will help us provide you the best shopping experience.
- Choosing a selection results in a full page refresh.
- Opens in a new window.