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The Audi B9 S4 and S5, powered by the EA839 3.0L V6, have impressive performance potential—but the stock exhaust hides much of this engine’s true character. The Valvetronic Designs Full Valved Exhaust System unleashes its voice, delivering an aggressive, motorsport-inspired tone when desired, and stock-like refinement when needed.
Unlike typical setups requiring multiple components from different vendors, our system is engineered as a complete solution—from the OEM or aftermarket downpipe all the way to the exhaust tips. This single-package design eliminates the need for mixing and matching resonator sections or axle-backs from other brands, ensuring perfect fitment, seamless performance, and consistent sound quality.
With valves open, expect a bold exhaust note, pronounced overrun crackles, and a commanding presence. With valves closed, the car returns to quiet factory manners, with zero drone when paired with the OEM downpipe.
For those upgrading from the V8-powered B6 or B7 S4, our system delivers the level of engagement and emotional sound you’ve been missing—ensuring your B9 ownership experience is just as exciting.
One-Piece System Design: Eliminates the need for mixing components from multiple vendors.
Electronic Valve Control: Switch between aggressive and refined sound instantly.
Mandrel-Bent Construction: Maximizes flow for improved throttle response and power.
Valves Open: Aggressive tone with rich midrange and sharp overrun crackles on deceleration.
Valves Closed: Quiet, refined, and OEM-like for comfortable daily driving.
No Drone: When paired with the OEM downpipe, cabin comfort is unaffected.
Material: T304 stainless steel for long-term durability and corrosion resistance.
Weight Savings: 16.4 lb lighter than the OEM exhaust system.
Craftsmanship: Precision TIG welds and mandrel bends for optimal flow and strength.
Tips: Includes premium exhaust tips for a finished, performance-oriented look.
2017–2024 Audi S4 (B9)
2018–2024 Audi S5 (B9)
Direct-fit for sedan models.
Coupe models require modification to shorten the mid-section for proper fitment. Contact info@valvetronic.com for guidance.
100% reversible—return to stock at any time.
Full T304 stainless steel valved exhaust system
Electronic exhaust valves with key fob remote system
All necessary clamps and hardware
Tubing: Full mandrel-bent T304 stainless steel
Valves: Electronic, remote-controlled
Weight Savings: 16.4 lb lighter than OEM
Finish: Brushed stainless steel
Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details.
In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.
Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.
Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary.
If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h.
12 Months
All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.
* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com
