Audi B8 / B8.5 S4 & S5 Valved Exhaust System T304 Stainless Steel, High-Pitch X-Pipe, Vacuum Valve Control Overview Transform your supercharged V6 into a true auditory experience.Our Valvetronic Designs...
T304 Stainless Steel, High-Pitch X-Pipe, Vacuum Valve Control
Overview
Transform your supercharged V6 into a true auditory experience. Our Valvetronic Designs Valved Exhaust System for the Audi B8 and B8.5 S4/S5 delivers a unique, high-pitch wail while retaining low-end rawness for a sound profile unlike anything the platform has heard before.
Constructed entirely from T304 stainless steel and featuring our high-pitch X-pipe technology, this system runs 2.5 inches from front to rear, unlocking an exhilarating tone across the entire rev range. With integrated vacuum-actuated valves controlled via an included key fob remote, you have instant flexibility to switch from refined cruising to an aggressive, motorsport-inspired soundtrack.
Why It Works
High-Pitch X-Pipe Technology: Creates a sharper, more exotic tone while enhancing flow.
Vacuum Valve Control: Allows on-demand sound control from the included key fob remote.
Full Mandrel-Bent Design: Optimized flow for improved throttle response and power delivery.
Sound & Control
Valves Closed: Quiet enough for early morning starts and comfortable highway cruising.
Valves Open: Releases the full character of the supercharged V6 with both low-end depth and high-pitch excitement.
Remote Control: Operate valves instantly from the driver’s seat using the included key fob system.
Construction & Options
Material: T304 stainless steel for long-term durability and corrosion resistance.
Weight Savings: 12.3 lb lighter than the factory exhaust.
Craftsmanship: Precision TIG welds and mandrel bends for maximum flow and strength.
Diameter: 2.5" tubing from front to tips.
Fitment
2010–2016 Audi S4 (B8/B8.5)
2010–2016 Audi S5 (B8/B8.5)
Installation Notes
Direct OEM replacement—no permanent modifications required.
100% reversible—return to stock at any time.
What’s Included
T304 stainless steel valved exhaust system
Integrated high-pitch X-pipe
Vacuum-actuated valves with key fob control system
