Injen Polished Cold Air Intake Subaru WRX 2015-2021 | SP1209P FocusRS_2016-2018 An overboost setting prevents dangerous

An overboost setting prevents dangerous overboosting

the factory Focus ST Intercooler can be overwhelmed with heatsoak

Mounting Hardware: (8) Custom Manufactured & sized = Metric 10

This particular tool is the Company 23 Piston Ring Compressor

Tomei products have been utilized in nearly every motor sport imaginable

Injen Polished Cold Air Intake Subaru WRX 2015-2021 | SP1209P FocusRS_2016-2018 An overboost setting prevents dangerousFitment Information: 2015 2021 Subaru WRX Features: The Injen intake system will unleash power and give you that aggressive intake growl under acceleration on your WRX that youve been craving! This intake system also features Injen's patented MR (Mega Ram) Technology at the MAF for precise control over the fuel trims with no fear of check engine lights or additional electronic tuning. This intake is going to hep your WRX to put down an additional 24