Perrin - Subaru 04-14 STI - FMIC Air Oil Separator (Black) BF2025 INCLUDED(1) PERRIN BOV/BPV

INCLUDED(1) PERRIN BOV/BPV

Our EXPREME Manifolds have received numerous high appraisals on all aspects of efficiency

especially for those interested in racing their 2015 WRX or even towing a small trailer

Specifications:

with a larger diameter over the stock hose and the absence of a pleated section

Perrin - Subaru 04-14 STI - FMIC Air Oil Separator (Black) BF2025 INCLUDED(1) PERRIN BOV/BPVOVERVIEW The PERRIN Air Oil Separator traps oil from the crankcase vents before it enters the intake, reduces carbon build up, increases intercooler efficiency, which reduces the chance of performance robbing detonation. NO TUNING REQUIRED Increase horsepower and torque without ECU recalibration or tune! This part is designed and tested to work safely on your vehicle without any tuning required! However, more power can be gained with proper ECU