Milltek Filter-back Exhaust for Audi RS6 C8 4.0 V8 bi-turbo (Non OPF/GPF Models- USA/ROW) - Signature Series Titanium (2019 onwards) – Sharper Sound, Filter Retained
This is Milltek's Signature Series exhaust for the Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) - Signature Series Titanium. It's part of Milltek's Signature Series: a rear silencer bypass built in full titanium construction rather than stainless steel, for the lightest, most premium finish available on this platform, and compatible with cars already fitted with Porsche's own PSE system. It's offered in 3 tailpipe finishes, so you can pick the setup that suits how the car's used.
It's aimed at owners who want the lightest and most exclusive version of the exhaust, over and above the standard stainless steel range.
Specifications
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System Type: Particulate Filter-back
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Pipe Diameter: 80mm (3.15")
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EC Approved: No
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Race System: No
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Fitting Time: approx. 1.5 to 2.5 hours (Milltek figure)
Key Features
- Full titanium construction for the lightest version of the system
- Mandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow
- 80mm (3.15") pipework
- Fits behind the factory particulate filter, which stays in place
- Choice of 3 tailpipe finishes: Carbon Fibre Oval, Cerakote Black Oval, Titanium Oval
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- Audi RS6 C8 4.0 V8 bi-turbo (Non OPF/GPF Models- USA/ROW) - Signature Series Titanium (2019 onwards)
- Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) - Signature Series Titanium (2019 onwards)
- Audi RS7 C8 4.0 V8 bi-turbo (Non OPF/GPF Models- USA/ROW) - Signature Series Titanium (2019 onwards)
- Audi RS7 C8 4.0 V8 bi-turbo (OPF/GPF Models) - Signature Series Titanium (2019 onwards)
Not suitable for: the Audi RS6 C8 4.0 V8 bi-turbo in Performance Edition (Non OPF/GPF Models - USA/ROW Models), which needs the Milltek Filter-back Exhaust Audi RS6 C8 4.0 V8 bi-turbo in Performance Edition OPF/GPF 19+.
Installation
Milltek quotes a fitting time of approx. 1.5 to 2.5 hours. Some versions: OPF/GPF Back (No Cutting Required) System including Signature Series Titanium Axle Back System with T304L Front Pipes & Active Centre Section - Non Resonated (Louder) with Carbon Fibre Ovals. Some versions: OPF/GPF Back (No Cutting Required) System including Signature Series Titanium Axle Back System with T304L Front Pipes & Active Centre Section - Non Resonated (Louder) with Cerakote Black Ovals. Some versions: OPF/GPF Back (No Cutting Required) System including Signature Series Titanium Axle Back System with T304L Front Pipes & Active Centre Section - Non Resonated (Louder) with Polished Ovals. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.
Which tailpipe finishes are available?
You can choose from: Carbon Fibre Oval, Cerakote Black Oval, Titanium Oval. The finish is cosmetic and does not change the sound.
Will it fit the Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) - Signature Series Titanium?
Yes. Milltek lists this part for the Audi RS6 C8 4.0 V8 bi-turbo (OPF/GPF Models) - Signature Series Titanium as well as the other models in the fitment list above.
Does it fit the Audi RS6 C8 4.0 V8 bi-turbo in Performance Edition (Non OPF/GPF Models - USA/ROW Models)?
No. For that car, choose the Milltek Filter-back Exhaust Audi RS6 C8 4.0 V8 bi-turbo in Performance Edition OPF/GPF 19+.
Is it road legal?
Milltek does not list EC approval for this part. Any exhaust used on the road must still meet noise and emissions rules, so check the requirements where you live.
Do I need a remap?
No. It fits behind the factory particulate filter, so no software changes are needed.
Does it keep the factory particulate filter?
Yes. It fits behind the factory particulate filter, which stays in place.
How long does it take to fit?
Milltek quotes approx. 1.5 to 2.5 hours.
What is it made from?
Full titanium.
Is there a warranty?
Yes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.
