The CSF 8194B is a high-performance twin intercooler set in a thermal-dispersion black finish for the 2021-2025 Audi C8 RS6 Avant and RS7 Sportback, including Performance and GT variants, with the 4.0L twin-turbo V8. Each unit uses a Formula-1-grade core with two rows of rolled cooling tubes and inner fins, with 100 percent TIG-welded machined billet aluminum end tanks in place of the OEM crimped cast aluminum, and OEM-style inlet and outlet connections. It is a true plug-and-play drop-in fit requiring no modifications, and CSF rates gains of about 20 wheel horsepower and 18 wheel torque on a stock tune. A raw billet version is available as 8194.
- Type: twin intercooler set (left and right)
- Core: F1-grade 2-row, rolled tubes with inner fins
- End tanks: 100 percent TIG-welded machined billet aluminum (OEM crimped cast)
- Engine: 4.0L twin-turbo V8
- Performance: about +20 whp / +18 wtq on a stock tune
- Finish: thermal-dispersion black (raw billet: 8194)
- Fitment: true plug-and-play drop-in, no modifications
- Part number: 8194B
Vehicle Applications
Direct fit on the following (4.0L twin-turbo V8):
- 2021 Audi RS6 Avant (C8, 4.0L V8)
- 2022 Audi RS6 Avant (C8, 4.0L V8)
- 2023 Audi RS6 Avant (C8, 4.0L V8)
- 2024 Audi RS6 Avant (C8, 4.0L V8)
- 2025 Audi RS6 Avant (C8, 4.0L V8)
- 2021 Audi RS7 Sportback (C8, 4.0L V8)
- 2022 Audi RS7 Sportback (C8, 4.0L V8)
- 2023 Audi RS7 Sportback (C8, 4.0L V8)
- 2024 Audi RS7 Sportback (C8, 4.0L V8)
- 2025 Audi RS7 Sportback (C8, 4.0L V8)
FAQ
What vehicles does the CSF 8194B fit?
The 2021-2025 Audi C8 RS6 Avant and RS7 Sportback, including Performance and GT variants, with the 4.0L V8.
How much power does it add?
About 20 wheel horsepower and 18 wheel torque on a stock tune.
What finish is this part?
A thermal-dispersion black finish; a raw billet version is available as 8194.
Is it a drop-in fit?
Yes. It is a true plug-and-play fit with no modifications.
