Milltek Maxton Rear Diffuser for Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - Non-OPF/GPF Models (2017-2018) – Genuine Milltek Fitment Part
This is Milltek's diffuser for the Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - Non-OPF/GPF Models. It's a rear diffuser, produced in collaboration with Maxton Design, styled to complement the matching Milltek exhaust tailpipes rather than change how the exhaust itself performs. It's offered in 2 tailpipe finishes, so you can pick the setup that suits how the car's used.
Specifications
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System Type: Additional parts
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EC Approved: No
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Race System: No
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Fitting Time: approx. 2 to 2.5 hours (Milltek figure)
Key Features
- Made from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration
- Genuine Milltek part designed to work with the matching Milltek system
- Choice of 2 tailpipe finishes: GT-100 Black, GT-100 Polished
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - Non-OPF/GPF Models (2017-2018)
- Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - OPF/GPF Models (2019 onwards)
Not suitable for: Audi RS3 Sportback OPF/GPF Models models, or any model not listed above.
Installation
Milltek quotes a fitting time of approx. 2 to 2.5 hours. Some versions: Maxton x Milltek Quad Outlet Rear Diffuser - Gloss Diffuser - Quad GT-100 Black Trims - Fits with any Milltek Sport Cat Back as upgrade kit or replaces trim option on new systems. Some versions: Maxton x Milltek Quad Outlet Rear Diffuser - Gloss Diffuser - Quad GT-100 Polished Trims - Fits with any Milltek Sport Cat Back as upgrade kit or replaces trim option on new systems. We recommend professional fitting on a ramp. Once fitted, check the tailpipe alignment and re-check all clamps after the first few hundred miles.
Upgrade Further
Also available from Milltek for this car: Milltek Cat-back Exhaust Audi RS3 Sportback 400PS 8V Facelift Non-OPF/GPF 17-18.
Which tailpipe finishes are available?
You can choose from: GT-100 Black, GT-100 Polished. The finish is cosmetic and does not change the sound.
Will it fit the Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - OPF/GPF Models?
Yes. Milltek lists this part for the Audi RS3 Sportback 400PS (8V MQB - Facelift Only) - OPF/GPF Models as well as the other models in the fitment list above.
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.
What does it work with?
Milltek notes: "Maxton x Milltek Quad Outlet Rear Diffuser - Gloss Diffuser - Quad GT-100 Black Trims - Fits with any Milltek Sport Cat Back as upgrade kit or replaces trim option on new systems". Check this matches your current exhaust before ordering.
Is this a complete exhaust system?
No. It is designed to be used with the system or factory parts described above, rather than as a complete exhaust on its own.
How long does it take to fit?
Milltek quotes approx. 2 to 2.5 hours.
What is it made from?
T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.
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.
