High Flow Race Downpipe For B9 B9.5 Audi S4 & S5 3.0T | ARM Motorsports Downpipe:Catted and new sending unit

and new sending unit

is designed to maximize airflow by eliminating choke points and accordion-style bends

faster spool times

The JB4 includes a simple plug and play installation harness and is compatible with all ECU versions and transmission types

BMW F36 430i B48 2

High Flow Race Downpipe For B9 B9.5 Audi S4 & S5 3.0T | ARM Motorsports Downpipe:Catted and new sending unitThe ARM B9 S4 catless Downpipe is one of the best upgrades for the Audi 3. 0T EA839 engine, found in the B9 S4 and S5! The ARM B9 3. 0T Downpipe allows for more exhaust flow from the turbocharger which allows your 3. 0T to spool faster, increasing throttle response, and boosting power and torque. On top of all of these performance benefits, the ARM B9 3. 0T Downpipe upgrade opens up the sound of your 3. 0T especially when paired with the ARM B9