FERREA SL1141 BMW S54 SEAT LOCATOR ymm_70 Two valves on either side

Two valves on either side of the muffler control the airflow and are contained in valve housings cast in the Akrapovič in-house foundry

These cores are the same style used in other CSF air-to-air systems previously developed for the 992 Turbo/S and 991 GT2RS with incredible results

Description BORLA 140386 Cat Back Exhaust System MAX 09- 10 3

The open-back shell design supports passive ventilation

The ARP flywheel and flexplate bolt kit is engineered to provide superior fastening strength and reliability for both high-performance and street applications

FERREA SL1141 BMW S54 SEAT LOCATOR ymm_70 Two valves on either side