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Audi

Valvetronic Exhaust System

$2,640.00 $2,332.50 Save $307.50

SKU: AU942-QS11B

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

Moderate — 2–4 hours

Overview

The ARMYTRIX Valvetronic Exhaust System is a high-performance upgrade for the Audi A4 and A4 Avant B9. It specifically targets gains in the low and mid-rev ranges, delivering a deep, sporty exhaust note while mitigating undesirable frequencies.
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The ARMYTRIX Valvetronic Exhaust System is engineered to transform your Audi A4 or A4 Avant B9 (2016+) with a 2.0 TFSI 2WD Non-OPF engine. At the core of this exhaust system is the innovative Valvetronic technology. This allows for on-the-fly control over exhaust sound and performance. Utilizing unique Throttle Pedal Sensor and Engine RPM Signal Auto Functions, the valves intelligently adjust based on your driving style. When at low RPM, the valves close to maintain essential backpressure for optimal launch starts. As you accelerate, the valves open to allow for greater airflow, resulting in increased horsepower and torque. The system also provides the flexibility to fine-tune valve timings for precise control over sound and airflow according to RPM and throttle input. Engaging race mode fully opens the exhaust valves, creating a straight-pipe flow that maximizes power output and produces an exhilarating, race-inspired sound. The system includes a front pipe (AU942-F), mid-pipe (AU942-M1), Y-pipe (AU942-M2), Valvetronic mufflers (AU942-VML + AU942-VMR), a wireless remote control kit (OWRC), and striking Quad Blue Coated Tips (4xS11B). Fitment is specified for the Audi A4 2.0 TFSI B9 2WD Non-OPF models from 2016 to 2021, including both Sedan and Avant body styles. It is also compatible with the Audi A4 Quattro from 2017 to 2019.

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

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Specifications

BrandAudi
Part NumberAU942-QS11B
CategoryExhaust
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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.

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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.

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