Audi B8, B8.5 S4, S5 3.0, 4.2L Catback T304 SS Forged Carbon 3.5" Tips

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.

• T304 stainless steel for long-term durability and corrosion resistance
• 2.5" tubing from front to tips.
• Vacuum Valve Control: Allows on-demand sound control from the included key fob remote.
• 12.3 lb lighter than the factory exhaust.
• Paired With Signature Forged Carbon Tips

What's Included

Valved exhaust system, Integrated high-pitch X-pipe, Vacuum-actuated valves with key fob control system, and Valvetronic forged carbon tips

Features & Components

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

Installation Notes

Bolt on Installation—no permanent modifications required

Fitment

2010-2016 Audi S4, S5

Our turbo specifications are built for maximum durability under high load. Check the manual for exact torque tolerances.

In-stock items ship within 24-48 business hours. Orders over $599 qualify for free standard ground shipping in the contiguous US.

We accept returns on unused items in original packaging within 30 days. Contact our support team for an RMA.