Pay in 4 interest-free payments of $47.92 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
(This is the most common issue when increasing horsepower
Can plug hole from STI sound generator removal
1:1 vacuum/boost reference capability
The factory Subaru post-MAF hose on the 86/FRS and BRZ twins uses corrugated folds for flexibility
K&N 57i Performance Intake Kit - 2002-2007 Subaru WRX / 2004-2007 STI Subaru-STI-2015 (This is the most commonK&N 57i Series induction kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. The extra surface area of these open air air filters provides even more airflow at lower
US$ 142.24
US$ 120.60
US$ 2381.00
US$ 135.74
US$ 179.99