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ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B
ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B - Image 5 ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B - Image 2 ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B - Image 3 ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B - Image 4 ARMYTRIX Stainless Steel Valvetronic Exhaust System Audi A4 (B9) 2.0 TFSI Sedan / Avant 2WD Non-OPF 2021+ - AU942F-QS11B - Image 5

Upgrade your Audi B9 A4 with the ARMYTRIX Valvetronic Stainless Steel Exhaust System (AU942F-QS11B). This exhaust system is designed to boost your vehicle's performance while providing a thrilling sound experience. Crafted from high-quality stainless steel, it not only reduces weight but also enhances power, particularly in the low to mid RPM range. Experience a deep, resonant sporty sound that minimizes unwanted frequencies, ensuring a smooth auditory experience.

Featuring four stunning quad chrome polished tips, this exhaust system captures attention while delivering outstanding performance. One of its standout features is the innovative Throttle Pedal Sensor and Engine RPM Signal Auto Functions, allowing you to optimize your launch starts without sacrificing backpressure. At low RPMs, the valves close automatically, while they open at higher speeds to maximize airflow, resulting in significant gains in horsepower and torque.

Key Specifications:

  • Main Pipe Diameter: 3 inches
  • Exhaust Tip Size: Quad 3.5 inches
  • Includes:
    • Front Pipe (AU942-BF)
    • Mid Pipe (AU942-M1)
    • Y-Pipe (AU942-M2)
    • Valvetronic Mufflers (AU942-VML + AU942-VMR)
    • Wireless Remote Control Kits (OWRC)
    • Quad Blue Coated Tips (4xS11B)
  • Exclusive Catalytic Converter & OPF Related Fault Code Clearing Mechanism
  • Direct Bolt-On Installation
  • Plug-n-Play Module for Quick Setup
  • App-Controlled Valve System via OBDII Port

Installation Notes:

  • Compatible with S4 Style Quad diffuser on non-S-line rear bumper or with S4 rear diffuser on S-line rear bumper.
  • Verify fitment using your vehicle's VIN prior to installation.
  • Suitable for both Left-Hand Drive and Right-Hand Drive vehicles.
  • ARMYTRIX OBDII Control Module is required.

Customer Insights:

Users rave about the ARMYTRIX exhaust system, highlighting the seamless transition between quiet and aggressive sound profiles. The ability to control the exhaust valves via the included remote or smartphone app is a game changer, allowing drivers to tailor their driving experience to their environment. Whether cruising through the city or hitting the open road, the ARMYTRIX system delivers an exhilarating sound that enhances the driving experience.

Valvetronic System Overview:

The ARMYTRIX Valvetronic system is a major innovation in exhaust technology, letting you choose how loud you want your car to be. With the push of a button, you can switch between a subdued sound for early mornings and a roaring exhaust note for spirited drives. This system connects to your engine's vacuum source and utilizes Bluetooth to communicate with the OBDII module, controlling the exhaust valves for optimal performance.

ARMYTRIX Valve RemoteARMYTRIX Valve AppARMYTRIX Valve DongleARMYTRIX Valve Decibel

This product ships direct from the manufacture in Taiwan. Customer is responsible for any additional customs and duties charged by the carrier.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2021-2024
 Audi A4
Experience the Power of Armytrix Exhaust Systems

When it comes to enhancing your vehicle's performance, Armytrix stands out as a brand synonymous with quality, innovation, and a passion for automotive excellence. Founded with the vision to revolutionize the aftermarket exhaust industry, Armytrix has carved a niche for itself by blending cutting-edge technology with a deep understanding of automotive enthusiasts' needs.

The Legacy of Armytrix: A Brand Built for Enthusiasts

Armytrix was born from a desire to create high-performance exhaust systems that not only improve the sound and efficiency of vehicles but also enhance the overall driving experience. With years of expertise in engineering and design, Armytrix has developed a reputation for crafting exhaust systems that deliver unrivaled performance and a distinct auditory experience. Their commitment to quality is evident in every product, making them a favorite among car enthusiasts around the globe.

Why Choose Armytrix?

Armytrix specializes in a variety of performance parts, with a primary focus on exhaust systems. Their product lineup includes:

  • Valvetronic Exhaust Systems
  • Cat-Back Exhausts
  • Downpipes
  • Mid-Pipes
  • Exhaust Tips

What sets Armytrix apart from the competition? It's their dedication to innovation and performance. The Valvetronic technology allows drivers to control the sound of their exhaust with the push of a button, providing a customizable experience that can switch from a refined purr to a roaring growl. This level of versatility is what every car enthusiast dreams of, giving you the power to adapt your vehicle's sound to match your mood or driving conditions.

Unmatched Quality and Performance

Armytrix exhaust systems are crafted from high-grade materials, ensuring durability and longevity. The use of T304 stainless steel not only enhances the visual appeal of the exhaust but also resists corrosion, making it perfect for any environment. Each exhaust system undergoes rigorous testing to ensure it meets the highest standards of performance and sound quality, which is why Armytrix has earned the trust of countless automotive enthusiasts.

Join the Armytrix Family

Choosing Armytrix means joining a community of like-minded individuals who share a passion for performance and style. The brand has established a strong presence in the automotive world, with a devoted following that appreciates the craftsmanship and engineering behind each product. Whether you're a weekend warrior or a daily driver, Armytrix has something to offer for every type of car enthusiast.

In conclusion, if you're looking to elevate your vehicle's performance and sound, look no further than Armytrix. With a legacy built on quality, innovation, and a deep understanding of your needs as a car lover, Armytrix is the go-to brand for high-performance exhaust systems. Experience the difference today and take your driving experience to the next level with Armytrix!

ARMYTRIX CORP. warrants its products to be free of all defects in material and workmanship. Warranty extends only to the original buyer with proof of purchase and for the original vehicle on which the product(s) was installed. The warranty is not transferable and is valid for 12 months from the date of installation. All shipping charges and duty fees associated with this warranty are the sole responsibility of the customer.

Upon receiving the product(s), it is the buyer's personal responsibility to examine the conditions of the part(s) prior to installation. If any part(s) proving defective in material and/or workmanship, the buyer must document the defect(s), contact ARMYTRIX immediately and return the product(s) within 30 days. We will replace all defective items free of charge, but the transportation cost incurred will be at buyer's own expense.

Warranty shall be considered void if damages to the product(s) were due to improper installation and/or improper use, including, but not limited to: off-roading, racing, unauthorized alterations to the product(s), lack of care, impact damage and any other damages caused by using the product(s) other than intended by the manufacturer.

To protect the integrity and functionality of the exhaust system, in OFF Mode when 4500 RPM is reached or when turbo pressure reaches 0.8 bar, the valves will automatically open as a safety precaution. A friendly reminder, by de-catting the exhaust system the chances of triggering the 'Check Engine' signal are increased and our warranty does not cover this or other software incompatibilities. We recommend remapping the vehicle's ECU to prevent potential conflicts.

ARMYTRIX exhaust system(s) must be installed by certified technician(s) to maintain its warranty status. We reserve the right to withhold issuance of credit until defective part(s) has been returned and examined to determine reason of failure.

ARMYTRIX will not be responsible for any everyday wear-and-tear damages that occur in normal driving conditions; including, not limited to: man-made or natural damages to external surface, internal deterioration, discoloration, rust and corrosion. Wear-and-tears are unavoidable; we recommend regular check-ups and care to extend the product(s) lifespan and maintain its performance.

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