Injector Dynamics 1300cc Injectors for Proccess West Intake Subaru WRX 2015-2021 | 1300.34.14.14.4 Vehicle Model_XV Crosstrek it adds a resonator to

it adds a resonator to help lower the exhaust noise and keep the db levels down while maintaining high exhaust gas velocity

The Stage 1+ package is designed to improve airflow and optimize engine calibration:

Fine iridium tip ensures high durability and a consistently stable spark

(1) #014 Buna O-Ring

Your kit is designed for your model year with zero drilling

Injector Dynamics 1300cc Injectors for Proccess West Intake Subaru WRX 2015-2021 | 1300.34.14.14.4 Vehicle Model_XV Crosstrek it adds a resonator toFitment Information: Subaru WRX 2015 2021 These injectors are for the Process West intake manifold for the 2015 2021 WRX PWIM007PI The ID1300x was designed with alternative fuels in mind, and was originally the only performance injector available with all stainless internals. It is compatible with all known fuels, and will stand up to the corrosive nature of alcohol better than any injector on the market. While the ID1300x was designed with an eye