Description
Product Description
Upgrade your Audi 8V S3 or VW MK7 Golf R with the Milltek Cast Large Bore Downpipe and Hi-Flow HJS 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 cast construction for improved exhaust flow
- Improved turbo response
- High-flow 200 cell HJS catalyst
- High-quality stainless steel construction
- Precision fitment
- Supports Stage 2 tune
Vehicle Compatibility
- Audi 8V/8V.5 S3 (2015–2020)
- Volkswagen MK7/MK7.5 Golf R (2015–2019)
Installation and Notes
- Select OE or Milltek exhaust fitment
- Stage 2 ECU tune required
- Professional installation recommended for best results
- Inspect gaskets and hardware during installation
- Check for leaks after installation
Frequently Asked Questions
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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