Milltek Cast Downpipe & Race Cat for Audi S3 2.0 TFSI quattro 3-Door 8V/8V.2 (Non-GPF Equipped Models Only) (2013-2018) – Improved Flow, Sports Catalyst
This is Milltek's cast downpipe for the Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only). It replaces the factory downpipe with a cast, less restrictive design at the point where the factory system is most restrictive, improving flow from the turbo outlet into the rest of the exhaust. It's offered in versions to suit the factory or a Milltek system, so you can pick the setup that suits how the car's used.
It's a solid first step for anyone building towards a bigger power upgrade, since the downpipe is usually the single biggest bottleneck in the standard exhaust.
Specifications
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System Type: Cast Downpipe with Race Cat
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Pipe Diameter: 76.2mm (3")
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EC Approved: No
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Race System: Yes
Key Features
- Made from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration
- Mandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow
- 76.2mm (3") pipework
- High-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- Audi S3 2.0 TFSI quattro 3-Door 8V/8V.2 (Non-GPF Equipped Models Only) (2013-2018)
- Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only) (2013-2018)
- Audi S3 2.0 TFSI quattro Sportback 8V/8V.2 (Non-GPF Equipped Models Only) (2013-2018)
- Seat Leon ST Cupra 300 (4x4) Estate/Station Wagon/Combi (Non-OPF/GPF) (2017-2018)
- Volkswagen Arteon 2.0TSI 280PS 4Motion (Non OPF/GPF Vehicles Only) (2017-2019)
- Volkswagen Arteon 2.0TSI 280PS 4Motion (North American OE Valved Systems) (2019-2021)
- Volkswagen Golf Mk7 2.0TFSI Alltrack/Estate/Station Wagon/Combi 4-Motion (2016-2021)
- Volkswagen Golf MK7 R 2.0 TSI 300PS (ECE Approved & 76.2mm Systems) (2014-2016)
- Volkswagen Golf MK7 R Estate/Variant 2.0 TSI 300PS (2015-2017)
- Volkswagen Golf Mk7.5 R 2.0 TSI 310PS (Non-GPF Equipped Models Only) - 76mm & EC Approved Systems (2017-2021)
- Volkswagen Golf Mk7.5 R Estate/Variant 2.0 TSI 310PS (Non-GPF Equipped Models Only) (2018-2019)
Not suitable for: the Audi S3 2.0 TFSI quattro 3-Door 8V.2 (GPF Equipped Models Only), which needs the Milltek Downpipe & Sports Cat Audi S3 2.0 TFSI Quattro 3dr 8V.2 GPF 19-20.
Installation
Some versions: 200 Cell Race Cat - For Fitment with the OE Exhaust system only and requires a Stage 2 ECU remap. Some versions: 200 Cell Race Cat - Must be fitted with Milltek Sport cat-back system and requires a Stage 2 ECU remap. This work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.
Upgrade Further
Also available from Milltek for this car: Milltek Turbo-back Exhaust & Sports Cat Audi S3 2.0 TFSI Quattro 3dr 8V 8V.2 Non-GPF 13-18, Milltek Active Valve Control Volkswagen Arteon 2.0TSI 280PS 4Motion Non OPF/GPF 17-19.
Will it fit the Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only)?
Yes. Milltek lists this part for the Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only) as well as the other models in the fitment list above.
Does it fit the Audi S3 2.0 TFSI quattro 3-Door 8V.2 (GPF Equipped Models Only)?
No. For that car, choose the Milltek Downpipe & Sports Cat Audi S3 2.0 TFSI Quattro 3dr 8V.2 GPF 19-20.
Is it road legal?
Milltek lists this as a race part without EC approval, so it is intended for off-road and competition use.
Do I need a remap?
Yes. Milltek notes: "200 Cell Race Cat - For Fitment with the OE Exhaust system only and requires a Stage 2 ECU remap". Without suitable software the engine management is likely to log faults.
Can I use it with my standard exhaust?
It depends on the version. Some are made for the factory (OE) system and others for the Milltek cat-back, so check the notes for the option you choose.
How is a sports cat different from a de-cat?
A sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.
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.
