Downpipe Flange K04 – Audi S3 8L
Designed for enthusiasts upgrading or fabricating exhaust systems, this downpipe flange is the perfect fit for your Audi S3 8L running a transverse 1.8T with K04 turbo. Built for strength and reliability, it’s the right starting point for a custom downpipe or turbo-back system.
Fitment
- Audi S3 8L with 1.8T engine and K04 turbine (209-240HP, transverse mount)
Material & Construction
- Stainless steel construction
Technical Specifications
- Thickness: 9mm
What’s Included
- Downpipe flange only
Installation Notes
- Professional installation recommended for best results and fitment.
FAQ
- Will this flange work with the stock K04 turbo on my S3 8L?
Yes, it is designed for the K04 turbo on the transverse 1.8T engine. - Is this flange suitable for custom exhaust fabrication?
Absolutely, it’s ideal for building a custom downpipe or exhaust system.
Downpipe Flange K04 – Audi TT (1.8T, K04)
For Audi TT owners looking to upgrade or custom-build their exhaust system, this K04 downpipe flange offers a solid foundation. Precision-cut from stainless steel, it’s engineered for durability and a precise fit on transverse 1.8T engines with the K04 turbo.
Fitment
- Audi TT with 1.8T engine and K04 turbine (209-240HP, transverse mount)
Material & Construction
- Stainless steel construction
Technical Specifications
- Thickness: 9mm
What’s Included
- Downpipe flange only
Installation Notes
- Ensure proper alignment for a leak-free seal during installation.
FAQ
- Is this flange compatible with the factory K04 setup?
Yes, it’s specifically made for the K04 turbo on transverse 1.8T engines. - Can I use this flange for a custom turbo-back system?
Yes, it’s designed for custom exhaust fabrication projects.
Downpipe Flange K04 – Seat Leon 1M Cupra R
If you’re building or upgrading the exhaust on your Seat Leon 1M Cupra R, this K04 downpipe flange is a must-have. Built from stainless steel, it’s engineered for a secure fit and long-term reliability on transverse 1.8T K04 setups.
Fitment
- Seat Leon 1M Cupra R with 1.8T engine and K04 turbine (209-240HP, transverse mount)
Material & Construction
- Stainless steel construction
Technical Specifications
- Thickness: 9mm
What’s Included
- Downpipe flange only
Installation Notes
- Test fit before final welding or assembly to ensure proper alignment.
FAQ
- Is this flange a direct fit for the K04 turbo on my Cupra R?
Yes, it’s designed for the K04 turbo on transverse 1.8T engines. - Do I need any special tools for installation?
Standard fabrication and exhaust tools are recommended.
Downpipe Flange K04 – 1.8T Transverse, 209-240HP, K04 Turbo
This downpipe flange is purpose-built for all transverse-mounted 1.8T engines running the K04 turbo (209-240HP). Whether you’re fabricating a custom exhaust or replacing a worn flange, this part delivers strength and a precise fit for your build.
Fitment
- All transverse 1.8T engines with K04 turbine (209-240HP)
Material & Construction
- Stainless steel construction
Technical Specifications
- Thickness: 9mm
What’s Included
- Downpipe flange only
Installation Notes
- Verify compatibility with your turbo and exhaust setup before welding or assembly.
FAQ
- Will this flange fit other K04 turbo applications with a transverse 1.8T?
Yes, it’s designed for all transverse 1.8T engines with K04 turbines in the 209-240HP range. - Is this flange suitable for both street and track builds?
Yes, the stainless steel construction is designed for durability in demanding applications.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Audi | LEON CUPRA R | 8L, 1M | 1.8T WITH K04 TURBO |
| Audi | S3 | 8L, 1M | 1.8T WITH K04 TURBO |
| Audi | TT | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | LEON CUPRA R | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | S3 | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | TT | 8L, 1M | 1.8T WITH K04 TURBO |
TURBOWORKS
| Default | |
| Make | Mitsubishi |
K04 Downpipe Flange for Audi S3 8L & Seat Leon Cupra R
Tags: TURBOWORKS Flanges flat,
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Audi | LEON CUPRA R | 8L, 1M | 1.8T WITH K04 TURBO |
| Audi | S3 | 8L, 1M | 1.8T WITH K04 TURBO |
| Audi | TT | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | LEON CUPRA R | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | S3 | 8L, 1M | 1.8T WITH K04 TURBO |
| Seat | TT | 8L, 1M | 1.8T WITH K04 TURBO |

| Default | |
| Make | Mitsubishi |


