Milltek Large Bore Downpipe Hi-Flow Sports Cat - VAG MQB 2.0T - Audi A3 / Audi S3 - SSXAU381
Ships free in the US
Make sure this fits your car
Fits: S3 8V/8Y, Golf R / GTI MK7
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
The Milltek Large Bore 3" Downpipe with Hi-Flow HJS Sports Catalyst is engineered for direct fitment to Audi A3 8V and Volkswagen Golf MK7/MK7.5 2.0T models (2013–2021). This downpipe optimizes exhaust flow upstream of your Milltek Cat-Back system, delivering measurable gains in horsepower and torque while maintaining emissions compliance.
Constructed from T304L stainless steel with mandrel-bent tubing, the system features an HJS high-flow catalyst (200 CPSI) that balances performance with environmental standards. Direct factory fitment uses OEM mounting points—no modification required. Available in configurations for OEM or Milltek cat-back integration.
Direct Fitment Models:
- Audi A3 2.0 TFSI quattro Sedan 8V (2014–2020)
- Audi S3 2.0 TFSI quattro Saloon & Cabriolet 8V/8V.2 (non-GPF models, 2013–2018)
- Volkswagen Golf MK7 2.0 TSI R (2014–2021)
- Volkswagen Golf MK7 2.0 TFSI Alltrack 4-Motion (2016–2021)
- Volkswagen Arteon 2.0 TSI 4Motion (2019–2021, North American OE valve compatible)
Fits Milltek Cat-Back.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Specifications
- Pipe diameter: 76.2mm (3.00")
- Off-road / competition use only. Not legal for use on public roads in the US.
Fitment
- Audi > A3 > 2.0 TFSI quattro Sedan 8V (US-only) > 2014 to 2020
- Audi > S3 > 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 > 2013 to 2018
- Volkswagen > Arteon > 2.0TSI 4Motion (North American OE Valved Systems) > 2019 to 2021
- Volkswagen > Golf > MK7 2.0TFSI Alltrack / Estate / Station Wagon / Combi 4-Motion > 2016 to 2021
- Volkswagen > Golf > MK7 R 2.0 TSI > 2014 to 2016
- Volkswagen > Golf > MK7.5 R 2.0 TSI > 2017 to 2021
Listed for these cars. Check the title and description for exact years, body styles and drivetrain.
| Make | Model | Chassis | Years | Fits |
|---|---|---|---|---|
| Audi | S3 | 8V/8Y | 2015+ | |
| Volkswagen | Golf R / GTI | MK7 | 2015–2021 |
Not sure? Call or text 945-954-1142 with your car or VIN.
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
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