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Milltek Large Bore Downpipe and Hi-Flow Race Cat for Audi 8Y S3 & VW MK8 Golf R (2022+)

Original price $ 1,342.85 - Original price $ 1,342.85
Original price $ 1,342.85
$ 1,342.85
$ 1,342.85 - $ 1,342.85
Current price $ 1,342.85
SKU SSXVW674

Product Description

Upgrade your Audi 8Y S3 or VW MK8 Golf R with the Milltek Large Bore Downpipe and Hi-Flow Race Cat. Designed to reduce back-pressure and improve exhaust gas flow, this system supports increased horsepower and torque when paired with proper tuning.

Constructed from high-quality stainless steel with a high-flow catalyst, this downpipe is engineered for durability, performance, and direct-fit installation.

Key Features and Benefits

  • Large bore construction for improved exhaust flow
  • Improved turbo response
  • Hi-flow 200CPSI race catalyst
  • High-quality stainless steel construction
  • Precision fitment
  • Supports Stage 2 tune

Vehicle Compatibility

  • Audi 8Y/8Y.2 S3 (2022+)
  • Volkswagen MK8/MK8.5 Golf R (2022+)

Installation and Notes

  • Select OE or Milltek exhaust fitment
  • Stage 2 ECU tune required
  • Not emissions compliant in some regions
  • Professional installation recommended for best results
  • Inspect gaskets and hardware during installation
  • Check for leaks after installation

Frequently Asked Questions

Q: Is this street legal?
A: Race cat systems may not be emissions compliant. Check your state regulations.

Q: Will this increase power?
A: Yes. A larger-bore downpipe improves flow and supports higher power levels with proper tuning.

Q: Do I need an ECU tune?
A: Yes. A Stage 2 tune is required.

Recommended Upgrades

  • ECU tune
  • High-flow air intake
  • High-flow catback exhaust system

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