Mishimoto Top Mount Intercooler for 2008-2014 Subaru WRX STI 3.75" Core

Mishimoto Top Mount Intercooler for 2008–2014 Subaru WRX STI — 3.75" Core Reduce intake temperatures, increase reliability, and unlock bolt-on power. The Mishimoto direct-fit top-mount intercooler is engineered for the 2008–2014 Subaru WRX STI to deliver improved thermal efficiency and consistent performance on street and track. Key Features Description: Direct-fit top-mount intercooler designed specifically for 2008–2014 WRX STI. Core: 3.75" thick dense bar-and-plate core; total volume 584 in³ for superior heat dissipation. Construction: Cast aluminum end tanks, TIG-welded for long-term durability. Performance: Supports stock to 400 whp; proven to drop intake temps by ~10°F and provided +5 whp / +7 wtq in stock testing. Fitment & Installation: Direct bolt-on design, no A/C line modification, installable in under 30 minutes. Included Hardware: Y-pipe gaskets, BPV gasket, silicone PCV hose, silicone throttle-body coupler—everything needed for installation. Finish & Warranty: Available in Stealth Black or Sleek Silver powder coat and backed by the Mishimoto Lifetime Warranty. Why Choose This Intercooler? Designed and tested by Mishimoto engineers, this intercooler combines high-volume, high-density core design with robust construction to lower intake charge temps, reduce heat soak, and maintain power under aggressive driving. Ideal for daily-driven STIs and modified builds up to 400 whp.