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Replace the restrictive molded charge path with a smoother 2.5-inch aluminum route
GrimmSpeed GRM090250 replaces the stock FA20DIT charge pipe with a red powder-coated assembly sized for the listed WRX. Mandrel-bent 6061 aluminum, a machined O-ring turbo flange, and a formed silicone section improve flow while retaining the original bypass-valve location.
Key Features
- GrimmSpeed GRM090250: 2.5-inch CNC mandrel-bent charge tubing
- US-sourced 6061 aluminum pipe and turbo outlet adapter
- Machined turbo flange uses a dedicated O-ring seal
- Large-radius transitions reduce restriction
- Silicone section insulates the hottest turbo area
- Retains the original bypass-valve location
- Red textured powder-coated finish
Fitment
Use GrimmSpeed GRM090250 only for the applications below. Confirm every listed qualifier and exclusion.
| Years | Make | Model | Details |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | FA20DIT turbo engine; some aftermarket radiators may require a slimmer fan setup |
Specifications
| Detail | Value |
|---|---|
| Brand | GrimmSpeed |
| Manufacturer Part Number | GRM090250 |
| Product Type | Intercooler Pipe Kits |
| Tubing Diameter | 2.5 inches |
| Material | 6061 aluminum with formed silicone section |
| Finish | Red textured powder coat |
| Turbo Connection | CNC-machined flange with custom O-ring |
| Bypass Valve | Factory location retained |
| Engine | FA20DIT |
What's Included
- Red aluminum charge pipe for GrimmSpeed GRM090250
- Turbo outlet adapter and O-ring
- Formed silicone connection
- Clamps and mounting hardware as packaged
- Not included: Intercooler, bypass valve, radiator fan, tuning, and unrelated service parts
About GrimmSpeed
GrimmSpeed engineers Subaru charge-air hardware for the WRX 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 GRM090250?It is a charge pipe kit in the red configuration for the listed Subaru application.
What vehicles does this part fit?Verified applications are 2015-2021 Subaru WRX; 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 2015-2021 WRX FA20DIT application and check radiator-fan clearance before disassembly.
- Allow the engine to cool, remove the factory charge pipe, and protect the open turbo and intercooler connections from debris.
- Install the O-ring turbo adapter, silicone section, and aluminum tube without twisting the couplers or loading nearby hoses.
- Align the pipe and tighten clamps and hardware to the current GrimmSpeed instructions while confirming fan and belt clearance.
- Pressure-test the charge path, check for boost leaks, and verify normal bypass-valve operation before driving.
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