Valvetronic Designs
Audi B9 S4/S5 Valved Exhaust System
This full T304 stainless steel exhaust system for Audi B9 S4 and S5 includes electronic valve control, offering a balance of aggressive sound and refined operation. It’s designed as a complete solution for seamless performance and fitment.
USD 2499.99
- 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.
- Why It Works One-Piece System Design: Eliminates the need for mixing components from multiple vendors.
- Electronic Valve Control: Switch between aggressive and refined sound instantly.
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Audi B9 S4 & S5 Valved Exhaust System Full T304 Stainless Steel System with Electronic Valve Control Overview 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 d
Quick answer: Audi B9 S4/S5 Valved Exhaust System Valvetronic Designs Audi B9 S4/S5 Valved Exhaust System This full T304 stainless steel exhaust system for Audi B9 S4 and S5 includes electronic valve control, offering a balance of aggressive sound and refined operation. It’s designed as a complete solution for seamless performance and fitment. USD 2499.99 With valves open, expect a bold exhaust…