SKU: GRM191012

$3,006.99 CAD

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Includes Air Filter  Yes
Includes Airbox  Yes
Includes Boost Solenoid  Yes
Includes Downpipe  Yes - Catted / Hi-Flow
Includes Intercooler  Yes - Silver Colour
Manufacturer Warranty  Limited Lifetime Warranty


The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together as a complete system. Instead of piecing together parts from many different manufacturers and hoping that they're design theories are compatible, consider starting with one of our excellent Staged Power Packages based on your goals!
The GrimmSpeed Stage 3 Power Package represents the pinnacle of bolt-on performance for your 2005-2009 Subaru Legacy GT. This package includes everything from the Stage 2 package with the addition of the famous GrimmSpeed Top Mount Intercooler. Along with the additional power and torque that your car will be producing thanks to the upgraded intake and exhaust components comes heat in the form of warmer charge air temperatures. It’s important to reduce these temperatures and increase the oxygen density of the pressurized air entering your engine. This additional oxygen will help protect your LGT from knock and allow your tuner to take full advantage of your Stage 3 setup.
On the intake side, the GrimmSpeed Intake adds an additional performance increase by reducing pre-turbo restriction, which allows your turbo to build boost more quickly and more efficiently.
Finally, on the exhaust side, the included GrimmSpeed Downpipe replaces the extremely restrictive factory downpipe and catalytic convertor with high quality 3” diameter stainless tubing and a high-flow catalytic converter.  
Stage 3 Package Components
- GrimmSpeed 3-Port Electronic Boost Control Solenoid
- GrimmSpeed StealthBox Cold Air Intake System
- GrimmSpeed Catted J-Pipe
- GrimmSpeed Top Mount Intercooler
- GrimmSpeed Intercooler Charge Pipe
- GrimmSpeed License Plate Frames
Stage 3 Package Features
- Decrease Spool Time - Lower intake restriction and better boost control
- Plug and Play into OEM Harness - No splicing wires like other BCS solutions
- Hybrid Cold Air/Short Ram Design - Combining the advantages and eliminating the negatives of both traditional intake designs
- Custom reusable high flow air filter - Integrated velocity stack entrance smooths incoming air
- Stainless Steel Construction - The downpipe is constructed of high grade 304L SS for corrosion resistance and durability
- Made in the USA - Right here in Minnesota, in fact
- 2-3hr Installation - Straight forward with our written and video guides
The GrimmSpeed Stage 3 Power Package features the same components of the Stage 1 Package, but further increases the performance of the Turbocharger with the inclusion of the J-Pipe. The free-flowing design of the J-Pipe offers superior boost control, and is the perfect complement to the Electronic Boost Control Solenoid. Over stock, the J-Pipe replaces a restrictive catalytic converter with a high flow unit as well as increases the tubing diameter. The result is a decrease in restriction after the turbo, an increase in turbine efficiency, and will further decrease time to spool as well as increase boost pressure.
- NOT COMPATIBLE with CVT Automatic Transmission 
- It's important to note that all GrimmSpeed Staged Power Packages require a proper tune.
- Careful attention to installation of the intake tube, air filter, clamps and MAF sensor/o-ring otherwise leaks may occur.
2015-2020 Subaru WRX (Manual Transmissions Only)

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