MilltekLarge Bore Downpipe Race CatFitment: VW Golf MK8 R / Audi S3 8Y

Overview

The Milltek Large Bore Downpipe with integrated Hi-Flow Sports Cat is engineered for the VW Golf MK8 R and Audi S3 8Y (EA888 Gen 4). This system optimizes exhaust flow from the turbocharger to the cat-back, delivering dyno-proven gains in horsepower and torque while maintaining emissions compliance.

Constructed from T304L stainless steel with mandrel-bent 3" (76.2 mm) piping and a 200 CPSI high-flow catalytic converter, this downpipe uses OEM mounting points and requires no vehicle modification. The design integrates seamlessly with both OEM and Milltek cat-back exhaust systems. Stage 2 ECU software tuning is required to unlock full performance potential.

Details

Fitment Notes & Compatibility

• Direct factory fitment: VW Golf MK8 R (EA888 Gen 4)
• Direct factory fitment: Audi S3 8Y (EA888 Gen 4)
• Compatible with OEM cat-back or Milltek cat-back systems
• No modification required — uses OEM hangers and mounting points
• Requires Stage 2 ECU tuning

Direct factory fitment eliminates guesswork and installation delays.

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

Fitment