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Keep Legacy GT and Outback XT charge temperatures consistent
GrimmSpeed GRM090043 is the black thermal dispersant top-mount intercooler configuration for the listed Subaru platform. Its 17.5 x 8.7 x 3.5-inch cross-flow bar-and-plate core, cast aluminum end tanks, and matched splitter are engineered to balance heat transfer with low pressure drop.
Key Features
- GrimmSpeed GRM090043: 17.5 x 8.7 x 3.5-inch cross-flow bar-and-plate core
- Cast aluminum end tanks with machined interfaces
- TIG-welded, pressure-tested, cleaned, and sealed assembly
- Reinforced five-ply silicone couplers
- Wide-mouth or integrated splitter directs hood-scoop air across the core
- Vibration-isolated mounting reuses supported factory locations
- Thermal-dispersant black coating helps reduce radiant heat pickup
Fitment
Use GrimmSpeed GRM090043 only for the applications below. Confirm every listed qualifier and exclusion.
| Years | Make | Model | Details |
|---|---|---|---|
| 2005-2009 | Subaru | Legacy GT | turbocharged engine; top-mount intercooler position |
| 2005-2009 | Subaru | Outback XT | turbocharged engine; top-mount intercooler position |
Specifications
| Detail | Value |
|---|---|
| Brand | GrimmSpeed |
| Manufacturer Part Number | GRM090043 |
| Product Type | Intercooler Kits |
| Core Size | 17.5 x 8.7 x 3.5-inch |
| Core Type | Cross-flow bar-and-plate |
| End Tanks | Cast and machined aluminum |
| Construction | TIG welded and pressure tested |
| Couplers | Reinforced five-ply silicone |
| Finish | Black Thermal Dispersant |
| Mounting | Vehicle-specific top-mount position with matched splitter |
What's Included
- One GrimmSpeed top-mount intercooler for GrimmSpeed GRM090043
- Vehicle-specific hood-scoop splitter
- Reinforced silicone couplers
- Clamps, brackets, and mounting hardware as packaged
- Not included: Charge pipe unless specifically packaged, bypass valve, tuning, replacement hood scoop, and unrelated service parts
About GrimmSpeed
GrimmSpeed engineers Subaru charge-air hardware for the Legacy GT and Outback XT platform, combining vehicle-specific mounting with pressure-tested aluminum construction and matched airflow components.
Related Parts
- No internal link was added because no exact compatible ACTIVE charge-air component was verified for this package.
FAQ
What is the GRM090043?It is a top-mount intercooler kit in the black thermal dispersant configuration for the listed Subaru application.
What vehicles does this part fit?Verified applications are 2005-2009 Subaru Legacy GT; 2005-2009 Subaru Outback XT; match the engine, charge-air layout, and all listed qualifiers before ordering.
What is included in the package?The package contains the product-specific charge-air component plus the couplers, clamps, brackets, splitter, seals, or hardware identified for this exact configuration.
Does this part require tuning?Calibration needs depend on the complete vehicle setup and boost targets. Consult a qualified Subaru tuner before increasing boost or combining airflow modifications.
Is professional installation recommended?Professional installation is recommended so sealing surfaces, clamps, clearances, and boost-leak testing can be completed correctly.
What warranty applies?Confirm the current GrimmSpeed warranty terms and exclusions for the exact component before installation.
How should the charge system be checked after installation?Pressure-test the system, verify all clamps and electrical connections, and check for rubbing, leaks, or abnormal bypass-valve operation.
Does the finish change fitment?The listed finish identifies this exact configuration; fitment remains controlled by the vehicle, engine, interfaces, and package contents shown in the fitment section.
Installation Instructions
- Confirm the exact Legacy GT and Outback XT model-year application, turbo layout, and black thermal dispersant configuration before opening the charge system.
- Allow the engine to cool, remove the original intercooler and splitter, and protect all open intake connections from debris.
- Transfer only the factory parts identified by GrimmSpeed, then install the intercooler, couplers, clamps, and vibration-isolated mounts without preloading the assembly.
- Install and align the supplied splitter so hood-scoop air reaches the full core without rubbing hoses, wiring, or the hood.
- Pressure-test for boost leaks, verify bypass-valve operation and clearances, and use calibration appropriate for the complete vehicle setup.
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