APR Catback Exhaust System | B9 RS5 E90 · E92 · E93 335i 3.0L Turbo I6 [N55] E's -10AN Block Breather Adapter

E's -10AN Block Breather Adapter is a quick and simple solution to add threaded outlet fittings to your stock block breather and valve cover breather on the 1

and get access to the ECU

or reverb cabin noise

the valves open

This process can take 1 to 2 business days and in some cases longer depending on your file version

APR Catback Exhaust System | B9 RS5 E90 · E92 · E93 335i 3.0L Turbo I6 [N55] E's -10AN Block Breather AdapterIntroducing the APR Catback Exhaust System for the Audi B9 RS4 and RS5. The APR Catback Exhaust System for the Audi B9 RS4 and RS5 is a complete, high performance exhaust solution that runs the entire length of the vehicle from the catalyst back. This system is engineered to boost performance, elevate sound, and enhance aesthetics with RS style diamond black oval exhaust tips that are sure to make a statement. Crafted from premium materials and built