Description
The Milltek Resonated Cat-Back Exhaust System for the Audi B9 S4 (Sport Diff Models Only) is designed to provide an exciting upgrade to your vehicle’s performance and aesthetics. This system delivers an enhanced exhaust tone that is both aggressive and refined, without excessive drone. It’s engineered to be a direct replacement for the factory exhaust system, allowing owners to boost sound levels and add an edge to the overall driving experience. Constructed using 304L “Aircraft” Grade Stainless Steel, it’s built to withstand even the harshest driving conditions while offering improved durability.
This system features Cerakote Black GT-style Tips, adding a sleek, matte black finish to your S4’s rear end for a modern, high-performance look.
Key Features:
- SKU: SSXAU1105
- Product Type: Cat & Filter Back Systems
- Resonated: Yes (adds an aggressive tone without excessive drone)
- Tip Finish: Cerakote Black (for a sleek, matte black finish)
- Tip Shape: GT (high-performance design)
- Pipe Diameter: Not listed
- EC Approved: Yes
- Motorsport Use Only: No (street use approved)
Benefits:
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Improved Exhaust Sound: The resonated design of this system boosts exhaust volume and creates a more aggressive sound, perfect for those looking for an enhanced driving experience while keeping noise levels manageable.
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Cerakote Black Tips: These high-performance tips offer a striking black finish that provides a modern and stealthy look, matching the overall sportiness of the B9 S4.
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Durable Construction: Made from 304L “Aircraft” Grade Stainless Steel, this exhaust system is resistant to corrosion and designed to last even in tough weather conditions, ensuring longevity and optimal performance.
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Increased Performance: While primarily designed for improved sound, the optimized exhaust flow can contribute to better engine performance, improving throttle response and overall efficiency.
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Direct Replacement: This Cat-Back system is designed to be a simple, bolt-on replacement for your vehicle’s original exhaust, making it easy to install with no additional modifications needed.
Fitting Guide:
- Vehicle Fitment:
- Audi S4 (2017 - Present)
- 3.0 Turbo V6 B9 - Saloon/Sedan & Avant
- Sport Diff Models Only & Without Brace Bars
- Right Hand Drive Cars Only
Why Choose Milltek?
Milltek Sport is recognized worldwide for crafting high-quality performance exhaust systems. Their products are designed to offer significant improvements in sound and performance, with an emphasis on premium materials and long-lasting durability. Manufactured in the UK, Milltek exhausts are distributed to over 90 countries, making them a trusted brand for car enthusiasts seeking superior aftermarket solutions.
