2015-2021 Subaru WRX / STI

DESCRIPTION The MSP Front Brace Bar is engineered to provide a bold, aggressive look and increased chassis rigidity for your 2015-2021 WRX/STI. It ...

DESCRIPTION The GrimmSpeed V2 Bypass Valve received many upgrades such as a redesigned the internal piston to eliminate the potential failure point...

50 State Legal Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen ...

DESCRIPTION The Invidia Up-Pipe is a high-performance upgrade for Subaru models, designed to replace the restrictive and failure-prone factory up-p...

DESCRIPTION The GrimmSpeed Dry-Con Air Filter is a high-performance direct-OEM replacement panel filter that has been designed to flow more air whi...

NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum...

The importance of routine oil changesNo motor oil lasts forever. The heat and friction produced between the moving parts of any engine eventually c...

The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Seri...

This kit is designed to provide a way to data log and monitor the ethanol content of fuel on most new Subaru Vehicles. Our proprietary controller r...

DESCRIPTION Add a little style to your hood struts by swapping them for these OLM Carbon Fiber Hood Struts. This piece offers the same OE style and...

DESCRIPTION The Invidia Up-Pipe - No EGT Bung is a premium upgrade for Subaru owners looking to improve exhaust flow and turbo efficiency. Designed...

DESCRIPTION The GrimmSpeed Red StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide t...

DESCRIPTION The GrimmSpeed Top Mount Intercooler Charge Pipe Kit is a redesigned performance upgrade over the OEM plastic unit that is restrictive ...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

Here are the details: 1050Xcc Injector model Compact body Improved internal flow path increases output by 5% without sacrificing low flow performan...

PROTECT YOUR ENGINE The IAG Air / Oil Separator (AOS) is a smart investment to safeguard and improve your Subaru's performance. Developed ...

DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...

DESCRIPTION The biggest issue with the OEM struts that they prevent your hood from opening far enough to allow adequate space for working and light...

1300cc injector size Top-feed type Designed in partnership with Bosch Motorsport Designed to work with alternative fuels All stainless internals C...

See the video below to see how badly the stock BPV leaks! We were able to pick up 15 hp and 9 tq from switching to our piece.   This high performan...

DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ma...

EMISSIONS This part is in the process of external testing with the EO process ongoing.NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CON...

WHY? The filter element that originally came with your SF Intake is cleanable and can be reused for the life of your car. However, should your fi...

DESCRIPTION The Grimmspeed Top Mount Intercooler Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a...