GrimmSpeed Stage 3 Power Package

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GrimmSpeed Stage 3 Power Package for 2015-2021 Subaru STi - 191015

Everything you need in one package!
The beauty of the GrimmSpeed Stage 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 their design theories are compatible, consider starting with one of our excellent power packages designed to work as one unit.

The GrimmSpeed Stage 3 Power Package has everything you need to capture the power you are looking for in your 2015+ Subaru STI. The upgraded GrimmSpeed 3-Port Boost Control Solenoid offers more accurate and more responsive boost control and is a must when having your vehicle professionally tuned. 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. The GrimmSpeed Catted Downpipe replaces the restrictive OEM Downpipe and makes your engine exhaust gas flow smoother and faster.

It's important to note that all GrimmSpeed Staged Power Packages require a proper tune.

Stage 3 Package Components:
GrimmSpeed Cold Air Intake System - Learn More
GrimmSpeed 3-Port Electronic Boost Control Solenoid - Learn More
GrimmSpeed Catted Downpipe - Learn More
GrimmSpeed Turbo Heat Shield - Learn More
GrimmSpeed Top Mount Intercooler - Learn More
GrimmSpeed TMIC Splitter - Learn More
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
High-Density, High-Flow Intercooler Core - Optimizes heat transfer and minimizes flow restriction for turbo Subarus
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

The GrimmSpeed Stage 3 Power Package features the same components of the Stage 1-2 Packages, but further increases the performance of the engine with the inclusion of the GrimmSpeed Top Mount Intercoooler, Splitter and Heatshield.

2015 Subaru STI
2016 Subaru STI
2017 Subaru STI
2018 Subaru STI
2019 Subaru STI

More Information
Part Number 191015
Brand GrimmSpeed
Type of Part Power Packages
Engine Fitment EJ25
Length 40
Width 20
Height 16.0
Weight 50.000000
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