Description
The Milltek Resonated Cat-Back Exhaust System for the Audi B9 S4 (Sport Diff Models Only) is a premium upgrade that enhances both the sound and appearance of your vehicle. Designed to be a direct replacement for the stock exhaust system, it offers an increased volume and a more aggressive tone, tailored to improve your driving experience. The system is made from 304L "Aircraft" Grade Stainless Steel, ensuring durability and longevity even in the harshest conditions.
This Cat-Back system features Polished GT-style Trims for an elegant, performance-inspired look, adding a refined aesthetic to the rear of your S4 while also delivering an optimized exhaust note. The resonated design maintains a balanced tone without excessive drone, perfect for daily driving or spirited outings.
Key Features:
- SKU: SSXAU1091
- Product Type: Cat & Filter Back Systems
- Resonated: Yes (delivers an aggressive but refined tone without drone)
- Tip Finish: Polished
- Tip Shape: GT (sporty, sleek design)
- Pipe Diameter: Not listed
- EC Approved: Yes
- Motorsport Use Only: No (road use approved)
Benefits:
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Enhanced Exhaust Sound: The resonated system improves exhaust volume and tone, delivering a sportier, more aggressive sound that is still refined enough for daily driving.
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Polished GT Tips: Offers a high-gloss, polished finish that enhances the appearance of your Audi B9 S4 and provides a premium aesthetic.
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Durable Stainless Steel Construction: Made from 304L "Aircraft" Grade Stainless Steel, the system is resistant to corrosion, ensuring longevity and reliable performance over time.
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Performance Improvement: The optimized exhaust flow from this system can enhance throttle response, potentially improving engine efficiency and overall driving performance.
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Easy Installation: Designed to replace the original exhaust system, installation is straightforward and does not require any modifications to your vehicle.
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 a renowned manufacturer of high-performance exhaust systems, recognized for their attention to detail, quality, and performance. The systems are engineered to provide significant gains in sound and performance while maintaining the highest build quality standards. Produced in the UK from premium materials, Milltek exhaust systems are distributed worldwide, ensuring their availability to car enthusiasts globally.
