WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.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
Features:
- T304 stainless steel for long-term durability and corrosion resistance.
- Full mandrel-bent 2.5" T304 stainless steel
- Electronic Valve Control: Switch between aggressive and refined sound instantly.
- 16.4 lb lighter than the OEM exhaust system.
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