FI-EXHAUST BMW E60 M5 Subaru Impreza GDB Subaru Impreza WRX STI GRB

Subaru Impreza WRX STI GRB Applied E EJ207 (06/2013-04/2014)

*Subaru Impreza WRX STI A-Line GRF Applied B EJ255 (02/2009-08/2009)

Excellent shock protection against gravel

Subaru Legacy Outback BPE Applied C EZ30 (05/2005-04/2006)

Cars with options S223A or S2VFA have these systems

FI-EXHAUST BMW E60 M5 Subaru Impreza GDB Subaru Impreza WRX STI GRBFrequency Intelligent Exhaust system for the BMW E60 M5 is a direct bolt on high performance exhaust system made to get the most exciting soundtrack out of the engine. The stainless steel exhaust and muffler internals are specifically designed for the ultimate experience. The Fi Exhaust system uses valves to direct gases exactly where you want them through the muffler for a quiet comfortable drive or around the muffler for an intense and bang on