Perrin Boost Control Solenoid Cover Neon Yellow Subaru STI 2008-2021 | PSP-ENG-161NY FocusST_2013-2018 25 x 20 Grade 10

25 x 20 Grade 10

The intake the for the 15+ STI can be thought of as a hybrid of the tube and filter used in the 08-14 WRX intake and the Stealthbox heat shield used in the 2015+ WRX intake

Increased spark energy and output

The puck design disc reduces rotational mass and total drive surface area while increasing pounds per square inch on the surface of the friction material

Perrin Boost Control Solenoid Cover Neon Yellow Subaru STI 2008-2021 | PSP-ENG-161NY FocusST_2013-2018 25 x 20 Grade 10Fitment Information: 2008 2021 Subaru STI Features: Material 5052 Plate Aluminum Finish Glossy Neon Yellow Powder Coat Corrosion Resistant Perfect Fit Easy Installation Installation Instructions 5 Year Warranty Included: (1) Boost Solenoid cover All necessary hardware for installation Warranty & Instructions Replace your ugly, corroded, steel boost solenoid cover on your 2008 2021 STI with a PERRIN Boost Solenoid Cover.