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Looking for a way to reduce high intake temperatures on your stock or modified
STI? The solution is the Mishimoto direct-fit top-mount intercooler engineered
specifically for the 2008â€“2015 Subaru WRX STI. Mishimoto engineers spent months
designing and testing this new STI TMIC to ensure optimum performance on both
the street and track. This STI intercooler utilizes durable cast aluminum end
tanks TIG-welded to a highly efficient, dense bar-and-plate core. The Mishimoto
intercooler has a 3.75" thick core and a total volume of 584 in3. Thanks to this
volume and a very dense offset fin pitch, we are able to optimize heat transfer
and support vehicles from stock up to 400 whp. This STI intercooler endured
rigorous testing, showing a 10Â°F temperature drop as well as a +5 whp and +7 wtq
bolt-on power increase for our stock test vehicle. Installation of this
top-mount intercooler is simple, requires no modification to the stock A/C line,
and can be completed in under 30 minutes. Included with this top-mount
intercooler are new Y-pipe gaskets, a new BPV gasket, a silicone PCV hose, and a
silicone throttle-body coupler. These components negate the need to gather
supplies for installation, and they ensure years of reliable service. This
top-mount intercooler is available in a durable powder-coated finish of Stealth
Black or Sleek Silver, and like all of our WRX performance parts it includes the
Mishimoto Lifetime Warranty.
Intercooler to Throttle-Body Transition Coupler
Top-Mount Intercooler(1) Intercooler
to Throttle-Body Hose(1) Turbo to
Intercooler O-Ring Gasket
kit is rated for 250-350 whp with maximum limits of approximately 400
whp, or 30 psi of turbo boost. Exceeding that horsepower or pressure
limit may require a larger front-mount intercooler.
PCV Hose Specs17.5"
0.75" O.D.4mm thick
Intercooler/Throttle Body Coupler Specs2.125"
3.00" O.D.4mm thick
2005-2009 Legacy GT2005-2009 Outback
XT2009-2013 Forester XT
Tank Wall Thickness3.5mm
4.7mm fin height, 2.8mm fin pitch
External: 6.5mm fin height, 1.7mm fin pitch
Max Rec. PSI30
x 11" x 3.5"
Max Rec. HP400
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