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or high-RPM conditions
Increased flow over stock charge pipe application
with an overall increase in power and performance
Why the S197 Needs Geometry Correction
PERRIN Cold Air Intake Red - 2008-2014 Subaru WRX / 2008-2014 STI PDM_hood-scoops or high-RPM conditionsPERRIN Cold Air Intake Red Subaru WRX 2008 2014 STI 2008 2017 RallySport Direct proudly carries a great selection of quality aftermarket performance products brought to you by PERRIN Performance. This is the PERRIN Performance Cold Air intake. This has been designed to be a performance modification that will increase horsepower, and torque, as well as improve the throttle response while reducing the turbo lag. This is achieved through the design that