MO
Milltek Large Bore Downpipe | Audi B9 A4 2.0 Quattro
SKU: SSXAU744
Description
The Milltek Large Bore Downpipe with Hi-Flow Sports Catalyst is engineered for the Audi B9 A4 2.0 Quattro Saloon and Avant. This direct-fit component optimizes exhaust flow from the turbocharged engine to the cat-back system, delivering measurable gains in horsepower and torque while maintaining emissions compliance.
Constructed from T304L stainless steel with mandrel-bent 3" (76.2 mm) piping, the downpipe features a high-flow sports catalyst rated at 200 CPSI (cells per square inch). Hand-finished construction ensures OEM+ fitment with existing Audi factory or Milltek cat-back exhaust systems. Requires Stage 2 ECU software for optimal performance mapping.
Fitment & Compatibility
- 2017+ Audi B9 A4 Saloon (2.0 TFSI EA888)
- 2017+ Audi B9 A4 Avant (2.0 TFSI EA888)
- Quattro and FWD variants
- Direct fit to OEM or Milltek cat-back exhaust
- No modifications required
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Key Facts
| Pipe Diameter | 0.00 |
| 2 to 2.5 hours to fit (including removing OE system) | |
| Race Product | Yes |
| EMarked | No |
System Fitment List
Shipping Information
This system ships in 1 box.
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