Milltek Downpipe Audi A4 B9 2.0 TFSI 2016-2025 without DPF - HJS 200 CPSI high-flow cat

Milltek Sport downpipe with high-flow catalytic converter for Audi A4 B9

This Milltek Sport downpipe with high-flow catalytic converter for Audi A4 B9 opens up the exhaust at the turbo outlet while keeping a high-flow sport catalytic converter: the best balance between performance and emissions control.

Technical specifications

• Milltek part number: SSXAU744
• Part type: Downpipe with high-flow catalytic converter
• Details: Large-diameter downpipe, high-flow sport catalytic converter HJS 200 CPSI
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Audi A4 B9 2.0 TFSI (without chassis reinforcement bars, Quattro, Sedan - Wagon, 2016-2025, without DPF)

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

Frequently asked questions

• Is a remap required? Yes. An adapted ECU map (Stage 2) is essential to get the full gain and avoid a check engine light caused by the lambda sensors. It's the question buyers ask most, and the answer is always the same.
• 200-cell high-flow catalytic converter: it keeps real emissions control while flowing considerably more than the original. It's the choice of tuners who want to keep a vehicle clean.

Why choose Milltek Sport?

What customers mention most often in their feedback: fit quality and a deep tone that is present but never harsh. That is the Milltek Sport signature, from the UK-based manufacturer specializing in stainless steel exhausts.

Going further

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