Exhaust› Exhaust Pipes, Systems and Components

Miltek

Race Cat-Back Exhaust System 80mm Non-Resonated

$3,697.99

SKU: SSXAU974

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 Milltek SSXAU974 is a cat-back exhaust system designed for the Audi 8Y RS3 Saloon/Sedan 400PS models. Constructed from premium 304L stainless steel, this system features an 80mm diameter and a non-resonated race configuration. It serves as a direct replacement for the stock exhaust.

The system includes a Race Spec Rear Silencer to reduce weight and enhance sound volume.
Show original supplier description
The Milltek 80mm Race Non-Resonated Cat-Back Exhaust System (SSXAU974) is engineered for the Audi 8Y RS3 Saloon/Sedan 400PS, specifically for models from 2021 onwards that are non-OPF/GPF equipped. It is designed as a direct replacement for the original exhaust, aiming to maximize sound output and performance. The system incorporates a Race Spec Rear Silencer, contributing to reduced weight and a more aggressive auditory experience. This exhaust system is intended to enhance both the performance and sound of your Audi RS3. The direct fitment ensures a straightforward installation process as a replacement for the factory exhaust components.

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

BrandMiltek
Part NumberSSXAU974
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.

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.

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