Catalytic Converters

Milltek Large Bore Downpipe | Audi B9 A4 2.0 Quattro

Brand: Milltek

Part #: SSXAU744

$1,514.05+1514 pts

In Stock

SKU: MK-SSXAU744

Ships direct from the warehouse Guaranteed fitment 30-day returns

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.