B5 Audi S4 2.5" Turbo Downpipes with High Flow cats for manual transmission models. The exit on the downpipes is 2.5" for seamless integration to the Techtonics 252 590T exhaust system, or similar 2.5" aftermarket systems. The high flow cats are 49 state legal. Two year warranty.
Make | Model | Submodel | Engine |
---|---|---|---|
Audi | B5 S4 | All | 2.7T |
Manufacturer | Techtonics Tuning |
---|---|
Engine | 2.7T |
Make | Universal |
Model | Universal |