Pro Series XP Racing Valve Springs have been tested at speeds exceeding 11

Stock bottom end motors with cams

Worried that paint reduces performance

55" Length: 22

Mishimoto Intercooler FrontMount + Intake Subaru Impreza 15+ STI VA Black 18" Pro Series XP Racing ValveHere at Mishimoto, we've decided to expand our line of 2015 STI products. Designed for applications that demand the greatest airflow and cooling capabilities, the Mishimoto 2015 STI Front Mount Intercooler Kit will provide your 2015 WRX STI with the ability to make the most horsepower and torque possible. This 2015 STI intercooler kit was designed with the same 28" intercooler as our 2015 WRX front mount intercooler kit. The massive 3. 5" thick core