300-mile break-in REQUIRED with this set-up

Pro-C Coilovers feature vehicle-specific

Each Cold-Air Intake kit includes relocation hardware for the battery

a professional or grassroots racer or drifter in a sport compact vehicle

Material flaws and improper machining can result in incorrect valve spring installed heights and potential retainer failures

Mishimoto Aspirazione fredda per Subaru STI 15+ VA/GJ Civic (Mk4 (EE/EF)) (1988-1991) 300-mile break-in REQUIRED with thisAdd some horsepower to your 2015+ STI with the new Mishimoto Performance Air Intake. This kit is engineered specifically for your 2015+ Subaru STI and includes everything needed to replace the restrictive stock airbox. Our engineers spent months fine tuning this design in an attempt to squeak out every last bit of performance. This dyno proven air intake provides 20 whp 18 wtq gains over the stock intake while maintaining safe air fuel ratios, perfect