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Milltek Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Polished Tips

SKU: SSXAU698

$3987.89 $3987.89 $3230.19 $3230.19
Milltek Resonated Cat-Back for Audi B9 S4/S5 3.0 Turbo. T304L stainless, OEM+ fitment, engineered tone. Sport Diff models, 2016+ S4 / 2017+ S5 Sportback.

Description

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (3.0 V6 Turbo). Direct factory fitment for Sport Differential models without brace bars, 2016+ S4 Sedan/Avant and 2017+ S5 Sportback. 2.50" mandrel-bent T304L stainless steel with quad polished oval trims and resonated chamber for OE+ tone character.

Hand-finished T304L stainless construction with CNC-formed resonator optimizes exhaust scavenging while maintaining a composed, engineered note. Uses OEM hangers and mounting points - no modification required. Direct replacement for factory cat-back system.

Fitment

  • Audi B9 S4 Sedan/Avant (Sport Differential only, without brace bars) - 2016 and later
  • Audi B9 S5 Sportback (Sport Differential only, without brace bars) - 2017 and later
  • Engine: 3.0L Twin-Turbo V6 (EA839)

Engineered to Exhilarate.

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

Key Facts

Pipe Diameter 63.50
  1 to 1.5 hours to fit (including removing OE system)
Race Product No
EMarked Yes
EMark Number AudiS4S5B9

System Fitment List

    • Audi > S4 > 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only > 2016 and Later
    • Audi > S5 > 3.0 V6 Turbo Sportback B9 (ONLY - Sport Diff Models Only & without Brace Bars) - Left Hand Drive Cars Only > 2017 and Later

Shipping Information

This system ships in 2 boxes.

Box 1: 60 x 18 x 15 at 55.12lbs
Box 2: 51 x 15 x 12 at 33.08lbs