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Milltek

Cat-Back Exhaust System, Non-Resonated

Name: Cat-Back Exhaust System, Non-Resonated
Brand: Milltek
SKU: SSXAU190

$1,487.30 $1,442.68 Save $44.62

SKU: SSXAU190

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Non-Returnable Item

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Moderate — 2–4 hours

Overview

The Milltek Cat-Back Exhaust System is designed to improve the sound and aesthetics of your Audi S5 V8. It is a direct replacement for the original system, offering multiple configurations to adjust exhaust volume and tone. This system is constructed from 304L "Aircraft" Grade stainless steel for durability.

This non-resonated system provides a louder exhaust note and is specifically designed for manual transmission models of the Audi S5 B8 4.2L V8 (2009-2016).

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The Milltek SSXAU190 is a performance Cat-Back exhaust system engineered to replace the factory setup on the Audi B8 S5 4.2 V8 Coupe. Constructed from premium 304L "Aircraft" Grade stainless steel, this exhaust system is built for longevity and resistance to harsh environmental conditions. The 2.36" (60.00mm) pipe diameter is intended to improve exhaust flow, potentially leading to increased horsepower and torque. This particular Milltek Cat-Back exhaust system is exclusively for manual transmission models. It fits the Audi S5 B8 (2009-2016) with the 4.2L V8 engine. Ensure your vehicle is a manual transmission to confirm compatibility.

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

Brand	Milltek
Part Number	SSXAU190
Category	Exhaust

Videos

Audi S5 4.2 V8 - Milltek exhaust

Audi S5 V8 4.2 Manual. Milltek exhaust, JHM Flywheel canyon drive

Milltek Audi S5 Coupé 4.2 V8 quattro (Manual)

AUDI S5 - 4.2L V8 - MILLTEK

Owner of Audi S5 V8 Switched Out His Milltek Exhaust For ARMYTRIX Exhaust

Audi S5 2015 B8.5 - OEM vs Milltek non-res exhaust.. sounds bloomin' lovely

Audi S5 3.0T - Milltek Resonated Catback Exhaust

𝙈𝙄𝙇𝙇𝙏𝙀𝙆 𝙎𝙋𝙊𝙍𝙏 - AUDI S5 V8 4.2 FSI (Catback non résonné @MilltekSport )

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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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