Upgrade your driving experience with the Milltek Resonated Quad Outlet Cat-Back Exhaust system, specifically engineered for the Audi B8.5 S4 & S5!

This performance exhaust system is designed to replace the factory setup, providing enhanced sound and improved aesthetics.

Key Features

• Equipped with Valve-Sonic Electronic Valves Rear Silencers

• High-flow 3" downpipes equipped with 100cpsi Cats 

• Enhanced Performance: The 2.37" (60.30mm) pipe diameter facilitates better exhaust flow, potentially increasing horsepower and torque.

• OE+ Sound Profile: The resonated design offers a modest, but more pronounced exhaust note.

• Premium Materials: Constructed from 304L "Aircraft" grade stainless steel for durability and resistance to corrosion.

• Direct Fitment: Engineered as a direct replacement, ensuring compatibility with OEM components and ease of installation.

Technical Specifications

• Pipe Diameter:  2.37" (60.30mm)

• Material: 304L Stainless Steel

• Resonated: Yes (Resonated for an enhanced OE+ tone)

• Tip Style: Options available to suit personal preferences

Compatibility

• Audi B8.5 S4 3.0 Supercharged V6 2012 - 2016

• Audi B8.5 S5 3.0 TFSI Sportback 2012 - 2016

Why Choose Milltek?

With 40+ year legacy of engineering excellence, Milltek is renowned for producing high-quality performance exhaust systems. All products are manufactured in the UK and distributed globally, ensuring that enthusiasts worldwide can experience the Milltek difference.