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 is a well-rounded kit, offering increased power and torque output thanks to reduced restriction before and after the turbo, as well as a more aggressive street presence thanks to the intake and exhaust tones. Stage 3 kits include the GrimmSpeed intercooler and charge pipe, a combo that will not only increase safety with your more powerful setup, but will allow you to make addition power thanks to cooler charge temps and lower restriction at higher RPMs.
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 J-Pipe replaces the extremely restrictive factory J-Pipe and catalytic converter with high quality 3 diameter stainless tubing and a high-flow catalytic converter.
It’s important to note that all GrimmSpeed Staged Power Packages require a proper tune.
StealthBox Cold Air Intake – Subaru 2015+ WRX Black
Boost Control Solenoid – Subaru FA20 Kit
J-Pipe 3″ Catted – 2015+ WRX 6MT
Top Mount Intercooler Kit w/ Splitter – Subaru 15+ WRX
Top Mount Intercooler Aluminum Charge Pipe Kit – Subaru 15+ WRX, Black
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 J-Pipe 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