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Milltek Hi-Flow Sports Cat Downpipe | Audi

SKU: SSXAU587

$1983.78 $1983.78 $1606.86 $1606.86
High-flow primary downpipe with integrated sports catalyst and turbo elbow. T304L stainless, mandrel-bent construction. Improves turbo spool and throttle response on turbocharged platforms. Stage 2+ ECU remap required. Fits Milltek Cat-Back.

Description

High-flow primary downpipe with integrated sports catalyst and turbo elbow, engineered to reduce backpressure and improve turbo spool response. The lower-density sports catalyst allows exhaust gases to flow more effectively than OEM, while the wide-diameter turbo outlet accelerates boost delivery and throttle response. Direct OEM fitment; compatible with both Milltek and OE cat-back systems.

Technical Specification:

  • T304L stainless steel construction, mandrel-bent primary pipe
  • Hi-Flow sports catalyst with low restriction core
  • Integrated turbo elbow for optimized turbo connection
  • Stage 2+ ECU remap required for full calibration
  • OEM hangers and fitment points preserved

Milltek downpipes are engineered for forced-induction platforms where boost response and mid-range spool are critical. This system pairs seamlessly with Milltek cat-back configurations or factory rear sections, making it an ideal foundation for incremental turbo upgrades.

Fits Milltek Cat-Back.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Key Facts

Pipe Diameter 76.20
  0 hours to fit (including removing OE system)
Race Product Yes
EMarked No

Shipping Information

This system ships in 1 box.

Box 1: 40 x 16 x 12 at 28.66lbs