Bull-X Downpipes Audi RS4, RS5 B9 2.9TFSI Version:100 cells sport catalyst but also a symbol of

but also a symbol of passion for motorsport

The pipe has one methanol injection connection (1/8 -27 NPT)

0 TSI Cupra 280 - 206/280pk

Multi-layer silicone coupler

Bull-X Downpipes Audi RS4, RS5 B9 2.9TFSI Version:100 cells sport catalyst but also a symbol ofThese Bull X downpipes can be directly exchanged for the stock downpipes. The available catalytic converters offer increased exhaust flow and reduced backpressure, resulting in increased power, lower exhaust gas temperature, and reduced stress on the turbochargers. This is further enhanced by the larger pipe diameter (121 101mm) and the elimination of the second catalytic converter. The downpipes run from the original turbo flange to 121mm, then