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Mishimoto Top Mount Intercooler Kit Subaru WRX STI 2008–2015 Direct fit for the 2008–2014 Subaru WRX STI
Provides 10°F temperature drop compared to stock intercooler
Proven +5 ...

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Mishimoto Top Mount Intercooler Kit Subaru WRX STI 2008–2015 Direct fit for the 2008–2014 Subaru WRX STI
Provides 10°F temperature drop compared to stock intercooler
Proven +5 whp and +7 wtq bolt-on power increase for stock vehicle
3.75" thick core with 584 in3 of volume produces optimal heat transfer for vehicles from stock to 400 whp
100% aluminium construction with durable cast end tanks TIG-welded to a highly efficient bar-and-plate core
Easily installs in under 30 minutes
Does not require modification to the stock A/C line and functions with the stock intercooler Y-pipe
Includes new Y-pipe gaskets, BPV gasket, silicone PCV hose, and silicone throttle-body coupler
Available in durable powder-coated Sleek Silver or Stealth Black finish
Mishimoto Lifetime Warranty


Options

2 choices of intercooler colour - black or silver
3 choices of hoses - black, red or blue

Fitment

STI 2008-2014 - Hatchback, Saloon STI

About the Intercooler

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 2008–2015 Subaru WRX STI.

Mishimoto engineers spent months designing and testing this new intercooler to ensure optimum performance on both the street and track. This intercooler utilizes durable cast aluminium 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 intercooler endured rigorous testing, showing a 10°F temperature drop as well as a +5 whp and +7 wtq bolt-on power increase for our stock test vehicle. Installation is simple, requires no modification to the stock A/C line, and can be completed in under 30 minutes. Included with this 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 intercooler is available in a durable powder-coated finish of Sleek Silver or Stealth Black, and it includes the Mishimoto Lifetime Warranty

COOLER OVERALL SIZE
24.5" x 11.5" x 4.25"

COOLER CORE SIZE
21" x 7.25" x 3.75"

COOLER CONSTRUCTION
Bar-and-plate with cast end tanks

TANK WALL THICKNESS
3.5mm

COOLER INLET / OUTLET
Inlet: 2.5" x 1.313" (x2)
Outlet: 2.56" I.D. / 3.00" O.D.

COOLER FIN SPECS
Internal: 4.7mm fin height, 2.8mm fin pitch
External: 6.5mm fin height, 1.7mm fin pitch

INTERCOOLER TO THROTTLE-BODY COUPLER HOSE SPECS
2.125" length
2.75" I.D.
3.00" O.D.
4mm thick

PCV HOSE SPECS
17.5" length
0.45" I.D.
0.75" O.D.
4mm thick

COOLER WEIGHT
21 lb

ALSO FITS
08–13 Subaru WRX STI

ENGINE CODES
EJ257
EJ255

CHASSIS CODES
GR
GV

PURCHASE INCLUDES
(1) Bar-and-Plate Intercooler
(1) Intercooler to Throttle-Body Transition Coupler
(1) PCV Hose
(1) Bypass Valve Gasket
(2) Y-pipe to Intercooler Gaskets
(1) Black Nylon Hose Fitting, 3/4" I.D.
(1) Black Nylon Tee Hose Fitting, 3/4" I.D.

NOTE
This kit is rated for 250–450 whp with maximum limits of approximately 500 whp, or 30 psi of turbo boost. Exceeding that horsepower or pressure limit may require a larger front-mount intercooler.Part Ref: MMTMIC-STI-08
Mishimoto MMTMIC-STI-08 - Subaru Impreza WRX STI (08-15) - Performance Top-Mount Intercooler Kit
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