ECS Tuning offers an exceptional complete bolt-on turbo upgrade kit that requires no additional plumbing or modifications for your B5 S4!

The FrankenTurbo F21L hybrid turbo upgrade allows you to use the turbocharger upgrade by itself with all factory components. You can also choose to upgrade your ECU and choice components for smoother, consistent power delivery.

The F21L utilizes an inconel 713C Alloy Steel "Mixed Flow" Turbine Rotor, forged billet aluminum alloy compressor wheel, 42CrMo high-strength rotor shaft, and an up-rated K16-series 360 degree thrust bearing and ring.


Spring into power

Click HERE to order or for more information



Fits:
Audi B5 S4 2000-2002

Let me know if you have any questions.

Jason