Upgrade your driving experience with the Milltek Non-Resonated Cat-Back Exhaust System, specifically engineered for the Audi B6 S4 4.2 V8 Quattro Saloon/Sedan/Avant & Cabriolet!

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

Key Features

• Enhanced Performance: The 2.25" (57.15mm) pipe diameter facilitates better exhaust flow, potentially increasing horsepower and torque.

• Aggressive Sound Profile: The non-resonated design offers a sportier and 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: 2.25" & 57.15mm

• Material: 304L Stainless Steel

• Resonated: No (Non-Resonated for a louder exhaust note) 

• Tip Style: Options available to suit personal preferences

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.