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Milltek catless downpipes (factory cat-back) for the Audi RS7 C8 }
Another view of the Milltek catless downpipes (factory cat-back) for the Audi RS7 C8 }
Milltek catless downpipes (Milltek cat-back) for the Audi RS7 C8 }
Another view of the Milltek catless downpipes (Milltek cat-back) for the Audi RS7 C8 }
Milltek catted 200-cell HJS downpipes (factory cat-back) for the Audi RS7 C8 }
Another view of the Milltek catted 200-cell HJS downpipes (factory cat-back) for the Audi RS7 C8 }
Milltek catted 200-cell HJS downpipes (Milltek cat-back) for the Audi RS7 C8 }
Another view of the Milltek catted 200-cell HJS downpipes (Milltek cat-back) for the Audi RS7 C8 }
Milltek front silencer-back system, polished oval for the Audi RS7 C8 }
Milltek front silencer-back system, Cerakote black oval for the Audi RS7 C8 }
Milltek catless downpipes (factory cat-back) for the Audi RS7 C8
Another view of the Milltek catless downpipes (factory cat-back) for the Audi RS7 C8
Milltek catless downpipes (Milltek cat-back) for the Audi RS7 C8
Another view of the Milltek catless downpipes (Milltek cat-back) for the Audi RS7 C8
Milltek catted 200-cell HJS downpipes (factory cat-back) for the Audi RS7 C8
Another view of the Milltek catted 200-cell HJS downpipes (factory cat-back) for the Audi RS7 C8
Milltek catted 200-cell HJS downpipes (Milltek cat-back) for the Audi RS7 C8
Another view of the Milltek catted 200-cell HJS downpipes (Milltek cat-back) for the Audi RS7 C8
Milltek front silencer-back system, polished oval for the Audi RS7 C8
Milltek front silencer-back system, Cerakote black oval for the Audi RS7 C8

Milltek Sport Downpipes & Front Silencer-Back - 2021-2025 Audi RS7 C8

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Brand: Milltek SportSKU / Part #: SSXAU908
$3,107.60
$3,656.00
$3,107.60
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Subtotal: $3,107.60
Milltek Sport Downpipes & Front Silencer-Back - 2021-2025 Audi RS7 C8
Subtotal: $3,107.60
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Overview

These Milltek Sport parts fit the 2021-2025 Audi RS7 Sportback (C8) with the 4.0 liter twin-turbo V8. This page carries the Milltek 80 mm large-bore downpipes for the C8 RS7, with 200-cell HJS cats or no cats, plus Milltek's non-resonated front silencer-back system. A Milltek hot-side part replaces the restrictive factory section with larger, smoother T304L tubing, so exhaust gas leaves the engine with less resistance. Pick a catted version to keep a catalytic converter in the system, or a catless version for a dedicated track car. Where an option names a Milltek cat-back in parentheses, that version is made to join it. The Audi RS7 C8 parts are T304L stainless steel with mandrel-bent tubing, which keeps the pipe at full size through each bend and resists corrosion for years. They bolt in place of the factory parts with no cutting or welding.

How to Choose

Choose the Part you need. Catless Downpipes (Factory Cat-Back) has no catalytic converter. It is for off-road and track use only and needs an ECU remap, and it connects to the factory cat-back. Catless Downpipes (Milltek Cat-Back) has no catalytic converter. It is for off-road and track use only and needs an ECU remap, and it connects to a Milltek cat-back. Front Silencer-Back System, Polished Oval is the non-resonated system from the factory front silencers back, with polished oval tips. Front Silencer-Back System, Cerakote Black Oval is the same system with Cerakote Black oval tips. Catted 200-Cell HJS Downpipes (Factory Cat-Back) keeps a 200-cell high-flow catalytic converter made by HJS. Milltek recommends an ECU remap with it, and it connects to the factory cat-back. Catted 200-Cell HJS Downpipes (Milltek Cat-Back) keeps a 200-cell high-flow catalytic converter made by HJS. Milltek recommends an ECU remap with it, and it connects to a Milltek cat-back.

Features

  • 80 mm (3.15 in) T304L stainless steel pipework
  • Mandrel-bent and made to bolt to the factory mounting points
  • Catted and catless options explained in How to Choose

What's Included

  • The Milltek parts shown for the version you choose

Specifications

Spec Value
Brand Milltek Sport
Part numbers (MPN) Catless Downpipes (Factory Cat-Back): SSXAU908. Catless Downpipes (Milltek Cat-Back): SSXAU907. Front Silencer-Back System, Polished Oval: SSXAU862. Front Silencer-Back System, Cerakote Black Oval: SSXAU863. Catted 200-Cell HJS Downpipes (Factory Cat-Back): SSXAU910. Catted 200-Cell HJS Downpipes (Milltek Cat-Back): SSXAU909
Type Downpipes & Front Silencer-Back
Material T304L stainless steel
Pipe diameter 80 mm (3.15 in)
Race product Downpipes: yes, per Milltek (ECU remap needed; catless for off-road or track use only). Front silencer-back system: no

Fitment Notes

  • Fits the 2021-2025 US-market Audi RS7 Sportback (C8), including the RS7 Performance. Please call us about RS6 Avant fitment.
  • Factory Cat-Back downpipes join your original exhaust; Milltek Cat-Back downpipes join a Milltek RS7 cat-back. Milltek lists the downpipes as race products that need an ECU remap, and the catless versions are for off-road or track use only.
  • The Front Silencer-Back System keeps the factory front silencers and replaces everything behind them with an active valved center section, rear sections with valved outlets and oval tips. Milltek does not list it as a race product.
  • Catless parts remove the catalytic converter. They are sold for off-road and competition use only and are not legal on public roads in the US.

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

Year Make Model Chassis Engine
2021-2025 Audi RS7 Sportback C8 4.0L TFSI Twin-Turbo V8
Fitment
YearMakeModel
2019–2026AudiRS7

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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