POWERFLEX PFR5-531 Rear Subframe Mounting Bush Insert BMW E39 5 Series (1996 - 2004) ymm_17 Number of Layers: 5
Baker’s notes & crumb story
Description
Number of Layers: 5
BORLA Performance offers a quad-exit Cat-Back exhaust system for the 2008–2014 Subaru WRX STi
Ratio with Standard: 1st Stage: 195%
Adding resonator 400938 can achieve a Touring sound profile
Fits Models with Roller Rockers and Stud Girdle more details on
POWERFLEX PFR5-531 Rear Subframe Mounting Bush Insert BMW E39 5 Series (1996 - 2004) ymm_17 Number of Layers: 5