K&N Performance Intake Kit for 03-11 Audi, Seat, Skoda, VW 1.4L - 2.0L - 57S-9500 fits_2002-2006`Nissan`Altima and last longer than traditional

and last longer than traditional cotton gauze filters

Flows 400 Percent Better Than Stock

The included high-performance air filters are surrounded by open-element XLPE (cross-linked polyethylene) polymer housings that minimize warm engine air for maximum performance

Cobb 15-21 Subaru WRX/STI FMIC Core - Silver

K&N Performance Intake Kit for 03-11 Audi, Seat, Skoda, VW 1.4L - 2.0L - 57S-9500 fits_2002-2006`Nissan`Altima and last longer than traditionalThe K&N 57S 9500 Performance Airbox replaces the restrictive factory air filter and air box. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S 9500 Performance Airbox comes with an oversized