Milltek Valved and Resonated (Quieter) Cat-back Exhaust System with GT-100 Round Tip - Audi S4 3.0 Supercharged V6 and S5 3.0 TFSI (B8.5) 2011 to 2016
Milltek
- SKU:
- SSXAU406-OPT
- Type:
- Cat-back exhaust system
- Valve:
- Valved
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Valved resonated (quieter) cat-back exhaust system for the Audi S4 3.0 Supercharged V6 and S5 3.0 TFSI B8.5 (Coupe, Cabriolet and Sportback). It uses ValveSonic electronic valve rear silencers and replaces the standard system behind the catalytic converters.
Features
- 304L stainless steel
- Made in the UK
- Resonated (quieter) design
- ValveSonic electronic valve rear silencers with fitting kit
- GT (round) 100 tips
Specifications
- Part numbers: SSXAU407 (Polished), SSXAU406 (Cerakote Black), SSXAU408 (Brushed Titanium)
- System type: Cat-back exhaust system
- Pipe diameter: 60.3 mm
- Tip style: GT (round) 100 tips
- Tip finishes: Polished, Cerakote Black, Brushed Titanium
- Valve: Valved
- ECE approved: No
- Race product: No
In the kit
- MSAU461 - LH Downpipe
- MSAU462 - RH Downpipe
- MSAU513 - Brace Bar
- MSAU594 - X Pipe
- MSAU595 - Centre Silencer
- MSAU620 - LH ValveSonic Rear Silencer
- MSAU621 - RH ValveSonic Rear Silencer
- MSVSFK01 - ValveSonic Electronic Valve Fitting Kit
- Exhaust tips in the finish you select
Fitment
- Audi S4 3.0 Supercharged V6 B8.5, 2012 to 2016
- Audi S5 3.0 TFSI B8.5 Coupe and Cabriolet, 2011 to 2016
- Audi S5 3.0 TFSI B8.5 Sportback, 2012 to 2016
Before you order
Contact us with your registration or VIN and we will confirm fitment before you order.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.




