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GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black (Part Number: )
GrimmSpeed Top Mount Intercooler Black
Subaru Legacy GT 2005-2009
Read 1 Reviews | 2 Q&As
Part # 090043

Only 1 left!

Features & Product Details

This is the Grimmspeed top mount intercooler that has been designed to provide maximum cooling efficiency with minimal restriction. Grimmspeed understands that because the top mount intercooler design is more prone to heat soak, they developed a solution that delivers performance while reducing intercooler temperatures to help prevent pre-detonation or knock which allows for more power and performance.

Grimmspeed designed this intercooler with two unique end tanks. The first end tank accepts the hot air charge from the turbocharger and feeds the air into the intercooler core. The second end tank receives the cooled charged air from the core and delivers it into the throttle body. These end tanks are precision cast and machined, and the intercooler core will have a bypass valve flange that is milled flat and will come with stainless steel studs that are permanently installed to ensure that the aluminum threads don't become damaged. These end tanks are welded to a high-density bar and plate intercoolers before the entire assembly is pressure tested, cleaned and sealed just before shipment. 

Included with this intercooler are 5-ply silicone couplers, as well as a splitter designed specifically for this intercooler core. The splitter is laser cut from an aluminum sheet and CNC bent and powder-coated for extra protection against corrosion. Stainless steel hardware will be included to secure the splitter to the factory hood scoop. 

Also included will be premium clamps, as well as a seal for the splitter to make this top mount intercooler setup ready for the installation. 

Note that this particular intercooler core will come powder-coated in the black finish for those of you who want the stealth look in your engine bay. 


Brand: GrimmSpeed
Color: Black
Core Depth: 3.50 in
Core End Tank Material: Aluminum
Core Height: 8.70 in
Core Type: Bar and Plate
Core Width: 17.50 in
Includes New Clamps: Yes
Installation Hardware Included: Yes
Intercooler Piping Included: Yes
Intercooler Piping Material: Silicone
Mfgr. Warranty: Lifetime
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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exactly as it should come from the factory 10 months ago
5out of 5stars

though its hard to fit in at first, and the TMIC hose (cobra hose) to the throttle body hose clamps are difficult to tighten and get installed, This Intercooler is incredible, after some spirited driving though some curvy AK roads today, I popped the hood and could feel the heat off the engine, and could start at the turbo and steadily feel the IC get COLD at exit to the throttle body. This thing performs amazing, looks discrete and will most likely outlast my car Thanks again Grimmspeed! Yet another extremely well engineered product!
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  • Q: Black finish - ceramic coating/heat protection or just black paint?  SleeperLGT4 years ago

    Is the black finished Grimmspeed TMIC ~$100 more than the silver/aluminum Grimmspeed TMIC just painted black for aesthetics or is it ceramic coated (like GS's Uppipe & Crossover pipe) to protect against heat soak? Basically- is the black finish for visual effect or heat protection?
    • 0 of 0 people found the following answer helpful

      A:  The black coating is a heat dispersant and does have benefits in helping lower intake temperatures. Both intercoolers are far more efficient over stock and in many cases the uncoated works just fine, but the coating will help avoid heat soak a bit more.

      Nick S. @ RallySport Direct 4 years ago  
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  • Q: dyno tune  KarasMob17754 years ago

    Is a tune required for installation?
    • 0 of 0 people found the following answer helpful

      A:  A tune shouldn't be required when changing out a Top mount for Top mount but with any change to your car it is recommended.

      guest569faaee2a8d2517038b4568 @
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    • 0 of 0 people found the following answer helpful

      A:  As Evan said, a tune won't be required to run the TMIC but a tune is certainly recommended to take full advantage of the benefits the unit will provide. -Andy

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