- Direct fit for the 2002–2007 Subaru WRX/STI
- High-efficiency bar-and-plate core provides increased volume, optimal heat transfer, and significantly reduces AITs
- Durable and precision engineered cast aluminium end tanks provide smooth flow
- Includes silicone bypass hose, silicone crankcase ventilation hose, bypass valve gasket, T-bolt clamps, and all hardware for installation
- Unique single inlet design provides superior airflow and proper dispersion of air through the core
- Gained 14 hp and dropped intake temperatures 30°F when installed in 305 hp vehicle with 20–22 psi of boost
- Will support vehicles with up to 350 hp
- Available in Sleek Silver or Stealth Black finish
- Mishimoto Lifetime Warranty
- CARB EO #: D-759
A top-mount intercooler upgrade is a great way to equip your flat-four with a cool charge of air! A cool, dense charge of air can allow for more aggressive tuning and increased power. The Mishimoto Subaru WRX and STI TMIC Kit provides a unique option for upgrading your charge air system. This top-mount intercooler kit utilizes a single entry inlet compared to the stock Y-pipe setup.
This unique tank design provides maximum airflow and superior air dispersion through the core, a process which results in optimal AIT reduction. This top-mount intercooler uses a high-efficiency bar-and-plate core, which provides increased volume and improved heat transfer. The kit is completely bolt-on, requiring zero modifications to your vehicle. The Mishimoto top-mount intercooler kit includes silicone bypass hoses for both the WRX and STI, a silicone crankcase ventilation hose, a bypass valve gasket, a silicone throttle body hose, and all the T-bolt clamps and hardware necessary for installation.
This top-mount intercooler kit has endured rigorous testing on both stock and modified vehicles and has proven to increase power and reduce air intake temperatures. On our 305 hp test vehicle running 20–22 psi of boost, this intercooler provided a 14 hp increase and a 30°F drop in AITs compared to the stock STI TMIC– for more testing details, check out the engineering report! Thanks to a precision engineered and tested core construction, this intercooler will support vehicles with up to 350 hp. This top-mount intercooler kit is available with either a Stealth Black or Sleek Silver cooler and like all of our WRX performance parts, includes the Mishimoto Lifetime Warranty.
1 – Bar-and-Plate Intercooler
5 – Silicone Hoses and Couplers
1 – High temp silicone ñS hose
4 – T-Bolt Clamps
2 – 3 T-bolt Clamps
1 – 2.75 T-bolt Clamp
1 – 2.25 T-bolt Clamp
1 – Bypass Valve Gasket
1 – Black Nylon Hose Fitting, 3/4 I.D.
1 – Black Nylon Tee Hose Fitting, 3/4 I.D.
1 – WRX specific BPV hose
1 – STI specific BPV hose
1 – Intercooler to throttle body coupler
1 – PCV hose
- This kit is rated for approximately 350 whp, or 25 psi of turbo boost. Exceeding these horsepower or pressure limits may require a larger front-mount intercooler. This intercooler kit will not fit RHD vehicles.
- TECH SPECS
Make Subaru Engine Codes EJ20
Chassis Codes GD6
Fits Saab 9-2X H4 (2.0L) 2005
Saab 9-2X H4 (2.5L) 2006
Subaru WRX H4 (2.0) 2002-2005
Subaru WRX H4 (2.5) 2006-2007
Subaru WRX STI H4 (2.5) 2004-2007
Installation Torque Specs 27 in-lbs (3N*M) recommended for all t-bolt and constant tension t-bolt clamps. These clamps have an operating range of 18-35 in-lbs (2-4N*M). Do not exceed the maximum torque rating of 35 in-lbs (4N*M).
22 in-lbs (2.5N*M) recommended for all worm-gear clamps. These clamps have an operating range of 18-27 in-lbs 2-3N*M. Do not exceed the maximum torque rating of 27 in-lbs (3N*M).
Silicone Couplers (5) Silicone Hoses and Couplers
(1) Intercooler to throttle body coupler
Constant Tension T-Bolt Clamps Specs (2) 3" T-bolt Clamps
(1) 2.75" T-bolt Clamp
(1) 2.25" T-bolt Clamp
Core Thickness 89 mm Hot-Side Intercooler Pipe Specs –1.81" I.D. / 2.20" O.D. – On turbo outlet
–2.20" I.D. / 2.60" O.D. – After turbo oulet
–5mm Hose thickness
–Withstands up to 400°F (204°C) temps
–Fits on turbos with 1.97" (50mm) maximum compressor outlet size
–Reinforced with 7 internal steel rings for increased durability
PCV Hose Specs 17.5" length
Intercooler/Throttle Body Coupler Specs 2.125" length
STI BPV Hose Specs 1.16" – 1.30" I.D.
1.56" – 1.70" O.D.
5mm hose thickness
WRX BPV Hose Specs 1.16" – 1.30" I.D.
1.56" – 1.70" O.D.
5mm hose thickness
Weight 17.25 Tank Wall Thickness 3.5 Fin Pitch Internal: 6.5 fin height, 2 fin pitch
External: 6.5 fin height, 1.7 fin pitch
Max Rec. PSI 20-22 psi Outlet 70 mm Core Length 483 mm Core Height 152 mm Core Width 89 mm Inlet 63.5 mm Core Size 483 mm x 152 mm x 89 mm Overall Width 92 mm Overall Height 286 mm Overall Length 565 mm Construction Bar-and-Plate Max Rec HP 305
Mishimoto Automotive (“Mishimoto”) warrants their products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorised dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.
For our complete warranty policy, please click here.
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