GrimmSpeed Top Mount Intercooler Kit | 2015+ Subaru WRX (090070)

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2015+ Subaru TMIC

Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tanks, large bar and plate core and TIG welded construction. The factory FA20dit TMIC is well-suited for stock applications, but when boost levels are increased, the higher post-turbo air temps contribute to pre-detonation (or 'knock') and loss in power. The GrimmSpeed intercooler is designed to keep charge temps consistent during aggressive driving so that the rest of your parts can work to make power.


  • 13.1in x 10in x 3.75in Cross Flow Core - careful balance of high heat transfer and low pressure drop
  • Cast Aluminum End Tanks - featuring machined splitter mounting features
  • 5-Ply Silicone Couplers - custom molded and reinforced for demanding environments
  • Fully-Integrated Two-Piece Splitter - collects air from the entire width of the scoop and feeds it directly to the core
  • Water Meth 1/8 NPT Bung - Cast into the outlet end tank, CNC machine tapped and plugged for future use
  • Vibration Isolation Mounting - protect the intercooler system from fatigue due to vibration by reusing the factory mounts
  • Cleaned, Inspected and Sealed Prior to Shipping - prevent motor damage due to foreign matter


  • 2015 - 2018 Subaru WRX

What's in the box?

  • 1 TMIC
  • Mounting Bracket
  • Silicone Couplers
  • Required Mounting Hardware and Clamps


  • GrimmSpeed Warranty

Customer Reviews

Based on 26 reviews
Best bang for your buck intercooler

Great quality, beautiful welds, amazing sound, lower intake temps, and looks great in the engine bay. Install isn’t bad at all and doesn’t require any specialty tools it took around 2 hours a large portion of which is because of the factory insulation which uses pop clips and they can be notoriously annoying to take out. Core is significantly larger than stock and the lower intake temps are very noticeable, sound is subtle at first but when paired with an intake it sounds amazing. Can’t recommend this intercooler enough.

Robert C

Bought this for my 18 wrx, definitely a great buy, seen a much different turbo response, definitely a different turbo sound with my Boomba BOV, intake and the few other mods with a good tune. Pretty simple install, would recommend for anyone who wants a good quality product

grimmspeed top mount intercooler

definitely worth buying. easy install and great direction

Felipe avina
Top mount

Easy install and big gains and great look

Alex K.
Great Product

Easy install, and quality material.