Pay in 4 interest-free payments of $47.92 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Stainless hardware used throughout
this valve is designed to vent partly to atmosphere and partly back to the intake giving you the "best of both worlds"
which offers the ability to install controller unit at any desired angle & direction
The factory Subaru post-MAF hose on the 86/FRS and BRZ twins uses corrugated folds for flexibility
K&N 57i Performance Intake Kit - 2002-2007 Subaru WRX / 2004-2007 STI Subaru-STI-2015 Stainless hardware used throughoutK&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open air air filters provides even more airflow at lower