Perrin Boost Solenoid Covers STI Variations:Subaru STI (08-14) Perrin Boost Solenoid Cover Silver Sport Spring kits are H&R’s

Sport Spring kits are H&R’s number one selling product for the Audi A3/S3

transitional air flow equals less turbulence

resulting in no check engine lights or misfire codes

preassembled w/ anerobic sealant

Perrin Boost Solenoid Covers STI Variations:Subaru STI (08-14) Perrin Boost Solenoid Cover Silver Sport Spring kits are H&R’she Perrin boost controller cover for the Subaru STI is constructed out of 5052 plate aluminum with precision bends and mounting holes to fit perfectly under your hood. Besides being a sleek new cover this part also provides a clean custom mount for your aftermarket electronic boost control solenoid. If you are using OEM boost control, no worries this part provides a custom mount for that as well. Powder coated for protection from the elements, the