Audi S4 B6 B7 4.2 V8 – DKU Performance

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Audi S4 B6 B7 4.2 V8

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Audi S4 B6 B7 4.2 V8

### Audi S4 B6/B7 4.2 V8 Performance Upgrades

The Audi S4 is powered by the iconic 4.2‑litre V8 BBK engine, producing 339 hp in stock form. Sharing its architecture with the legendary RS4, this platform responds brilliantly to upgrades, especially when paired with DKU Performance’s custom exhaust solutions and our experience working with Audi RS4 Exhaust systems.

### Custom Stainless Steel Exhaust Systems

At DKU Performance, we design and manufacture fully bespoke exhaust setups tailored to the Audi S4. From back box deletes and mid‑box deletes to full cat‑back exhausts, every system is crafted from premium 304/316 stainless steel. Drawing inspiration from the flow characteristics of an Audi RS4 Exhaust, our systems deliver improved throttle response, deeper tone, and enhanced performance.

### Motorsport-Level Engineering

For drivers demanding ultimate performance, we also fabricate tubular manifolds, turbo‑back systems, and high‑flow configurations engineered for maximum efficiency. Each exhaust is hand‑built in‑house for precision, durability, and a truly unique sound.

For more information, visit: https://www.dkuperformance.co.uk/

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