Subaru

GrimmSpeed's Top Mount Intercooler is the must-have for Subaru WRX owners who demand high quality and performance. Featuring CNC'd billet aluminum ...

GrimmSpeed 2015-2021 Subaru WRX/STI Fender Shrouds boast a stylish red powder-coat finish, blending in perfectly with other GrimmSpeed items. Craft...

The GrimmSpeed 2015+ WRX/STI Hella Horn Wiring Harness features a superiorly molded plug for effortless installation of Hella horns. Additionally,...

GrimmSpeed Fender Shrouds for the 2015+ WRX/STI are designed to replace the standard, dull factory fabric shrouds. Manufactured from a single piece...

The GrimmSpeed direct replacement air filter is a high-quality and easy-to-install upgrade for the stock airbox. It offers improved performance, i...

The Grimmspeed Billet Top Mount Intercooler is a high-performance intercooler designed with a focus on increased airflow, reduced restriction, and...

GrimmSpeed knows that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. They...

The Grimmspeed manifold to turbo gasket is a high-quality replacement gasket designed to seal the connection between the exhaust manifold and the ...

IntroductionInspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of ...

Meticulous engineering meets elegant design. With the 2015-21 J-Pipe, the devil is truly in the details and the product development team here at G...

This is the GrimmSpeed Stage 1 Power Package. This package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electroni...

Sold as a Set/Pair - L and R side specific Die Cut Multi-Layer [Stainless] Steel (MLS) Construction - Provides smooth edge finish and consisten...

This is the Grimmspeed License Plate Relocation Kit. The main purpose of these is to position the license plate to the OEM tow hook provision. The ...

This is the GrimmSpeed StealthBox Cold Air Intake System. This performance cold air intake system is the result of countless invested hours in rese...

Feature-packed, these gaskets are a perfect fit for any engine build, from basic refresh to a high horsepower track monster.    1.5mm thicknes...

Feature-packed, these gaskets are a perfect fit for any engine build, from basic refresh to a high horsepower track monster.  The GrimmSpeed He...

These are the GrimmSpeed High Lift Hood Struts. These hood struts have been designed to provide the hood of your vehicle support while eliminating...

How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally, after all of these yea...

This is the GrimmSpeed Master Cylinder Brace. This master cylinder brace is the result of countless invested hours of research to solve a prevalen...

The GrimmSpeed Radiator Hose Kit feature multi-layer silicone construction that is built to last while improving the overall cooling efficiency of ...

These hood struts have been designed to provide the hood of your vehicle support while eliminating the factory hood prop. This will provide a clean...

You've probably read somewhere on the internet that a strut tower brace never does anything but look pretty. You're about to read otherwise. Armed ...