Exhaust Exhaust Pipes, Systems and Components

Valvetronic Designs

Valved Exhaust System, T304 Stainless Steel

$2,499.00

SKU: AUD.B9.S4.VSES.BR.RC-VLV

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Valvetronic Designs Full Valved Exhaust System is a performance upgrade designed for the Audi B9 S4 and S5. It enhances the sound of the EA839 3.0L V6 engine with an aggressive tone when valves are open and a refined sound when closed. The system is constructed from T304 stainless steel with 2.5" mandrel-bent piping.
Show original supplier description
The Valvetronic Designs Full Valved Exhaust System is engineered to transform the driving experience for Audi B9 S4 and S5 owners. This system amplifies the natural roar of the EA839 3.0L V6 engine, providing a thrilling and aggressive, motorsport-inspired tone when the valves are open. When closed, the system maintains a refined sound profile, offering versatility for various driving conditions. Constructed from durable T304 stainless steel, this exhaust system features full mandrel-bent 2.5" piping designed for optimal exhaust flow. It includes electronic valve control, allowing instant switching between aggressive and refined sound modes via a key fob remote. The system is also 16.4 lbs lighter than the stock exhaust, contributing to improved performance, and is finished with signature real carbon fiber tips. Installation is designed as a bolt-on for sedan models. However, Coupe models require modifications to shorten the mid-section for proper fitment. The exhaust system is compatible with Audi S4 and S5 models from 2018 to 2024. It includes the valved exhaust system, electronic exhaust valves with a key fob remote, and Valvetronic carbon fiber tips.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandValvetronic Designs
Part NumberAUD.B9.S4.VSES.BR.RC-VLV
CategoryExhaust

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy