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Milltek non-resonated cat-back for the Audi S5 4.2 B8

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Pair of polished Milltek GT-100 exhaust tips offered for the Audi S5 4.2 B8

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Milltek resonated cat-back for the Audi S5 4.2 B8

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Another view of the Milltek resonated cat-back for the Audi S5 4.2 B8

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Milltek Sport Cat-Back Exhaust - 2008-2012 Audi S5 4.2 V8 Coupe B8

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Brand: Milltek SportSKU / Part #: SSXAU190

Regular price: $1,264.21
Regular price: ~~$1,487.30~~
Sale price: $1,264.21
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Milltek Sport Cat-Back Exhaust - 2008-2012 Audi S5 4.2 V8 Coupe B8

Subtotal: $1,264.21

Not sure it fits? Text us your VINSee all fitment

Questions before you buy? Talk to a specialist.

Fitment and product questions · 9am–6pm Pacific

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Overview

This Milltek Sport cat-back exhaust fits the 2008-2012 Audi S5 coupe (B8) with the 4.2 liter V8. The V8 S5 coupe is the last naturally aspirated V8 S5, and a Milltek cat-back gives it a deeper, more muscular sound. Each system is built for this exact chassis, so it follows the factory routing, hangs from the stock mounts and keeps the ground clearance of the original exhaust. Compared with the factory steel parts it is lighter, flows more freely and gives the engine a clearer, stronger voice under load, without the harsh highway drone of a cheap straight pipe. Every Audi S5 4.2 B8 system is made from T304L stainless steel with mandrel-bent tubing, so the pipe keeps its full size through each bend and resists corrosion for years. It bolts on with the factory hangers and clamps, with no cutting or welding needed. It swaps the factory exhaust from the catalytic converters back, using 60 mm (2.36 in) T304L stainless steel pipework, and bolts to the factory mounting points.

How to Choose

Start with the Sound. Non-Resonated (Louder) drops the resonator for a louder, rawer note. Resonated (Quieter) keeps a resonator for a deeper tone with less drone when cruising.

Planning more power? Milltek also makes downpipes for the Audi S5 4.2 B8.

Features

60 mm (2.36 in) T304L stainless steel pipework
Mandrel-bent and made to bolt to the factory mounting points

What's Included

Brace bar
Left and right rear silencers
The other Milltek parts for the version you choose

Specifications

Spec	Value
Brand	Milltek Sport
Part numbers (MPN)	Non-Resonated (Louder): SSXAU190. Resonated (Quieter): SSXAU134
Type	Cat-Back Exhaust
Material	T304L stainless steel
Pipe diameter	60 mm (2.36 in)
Race product	No

Fitment Notes

Fits the 2008-2012 US-market S5 4.2 coupe. Milltek lists it for manual cars; please call us to confirm fitment on Tiptronic cars. Not for the 3.0T S5.

Questions about fitment? Call (310) 231-0292 or text (310) 886-3111.

Year	Make	Model	Chassis	Engine
2008-2012	Audi	S5 Coupe	B8	4.2L FSI V8

Fitment

Year	Make	Model
2007–2011	Audi	S5

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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