Spectre Replacement Panel Air Filter For Subaru WRX STI (2016-2018)

Spectre 16-18 Subaru STI 2.5L H4 F/I Replacement Panel Air Filter

Spectre's High Performance Replacement Air Filters are engineered to outperform ordinary paper filters by providing increased air flow for improved performance. Manufactured using high quality materials including pre-dyed synthetic media, urethane, and steel mesh, this performance air filter is factory pre-oiled and ready to use. 
Spectre HPR high performance replacement air filters are designed to provide you with more horsepower and acceleration by allowing more air flow into your engine than ordinary paper filters.