Milltek Downpipe Audi A1 GB / VW Polo AW - Hi-Flow Cat - With Muffler + DPF Replacement Pipe - for Milltek Exhaust

Downpipe with high-flow catalytic converter by Milltek Sport for Audi A1 GB 40 TFSi / Volkswagen Polo AW GTI

Want a Stage 2 on Audi A1 GB 40 TFSi / Volkswagen Polo AW GTI without giving up the catalytic converter? This large-diameter Milltek Sport downpipe with high-flow catalytic converter pairs a high-flow cat with a free-flowing tube for a more responsive turbo.

Technical specifications

• Milltek part number: SSXVW553
• Part type: Downpipe with high-flow catalytic converter
• Details: Large-diameter downpipe with high-flow catalytic converter - With muffler + DPF replacement pipe
• Tube diameter: 70 mm (2.75 in)
• Installation information: ECU remap - Milltek exhaust installation
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Audi A1 GB 40 TFSi 2.0 TFSI 200-207 hp (5-door, 2019-2025, with DPF)
• Volkswagen Polo AW GTI 2.0 TSI (Phase 1, 5-door, 2019-2020, with DPF)

Not sure about compatibility with your vehicle? Contact us with your VIN (chassis number) before ordering.

Most frequently asked questions

• Is ECU tuning required? Yes. A suitable ECU map (Stage 2) is essential to get the full gains and avoid a check engine light caused by the lambda sensors. It is the most frequently asked question from buyers, and the answer is always the same.
• 200-cell high-flow catalytic converter: it retains real emissions control while flowing considerably more than the stock unit. It is the choice of tuners who want to keep their vehicle clean.
• Exhaust compatibility: this downpipe is designed to connect to a Milltek exhaust. Check the matching version if you keep the stock exhaust.

Why choose Milltek Sport?

User feedback most often highlights fit quality and a deep tone that is present but never harsh. It is the signature of Milltek Sport, a British manufacturer specializing in stainless steel exhausts.

Going further

• Downpipe: decat or high-flow catalytic converter for your Stage 2?