Products

The stock single-piston caliper found on most Subaru platforms gets the job done — but it wasn’t designed for the kind of aggressive driving, track...

The stock single-piston caliper found on most Subaru platforms gets the job done — but it wasn’t designed for the kind of aggressive driving, track...

The stock single-piston caliper found on most Subaru platforms gets the job done — but it wasn’t designed for the kind of aggressive driving, track...

The GrimmSpeed 6-Speed STI Shifter Bushing Kit replaces the factory rubber shifter bushings with higher durability polyurethane components designed...

DESCRIPTION This top-of-the-line intercooler boasts a range of innovative features, including a CNC milled billet aluminum construction and a sleek...

DESCRIPTION This top-of-the-line intercooler boasts a range of innovative features, including a CNC milled billet aluminum construction and a sleek...

DESCRIPTION The GrimmSpeed Air/Oil Separator for turbocharged Subaru models has a unique design that allows you to maintain your PCV Valve while se...

DESCRIPTION The GrimmSpeed Air/Oil Separator for turbocharged Subaru models has a unique design that allows you to maintain your PCV Valve while se...

DESCRIPTION Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what ...

EMISSIONS CARB Certified - EO - #D-896-3 for listed fitments The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA2...

EMISSIONS CARB Certified - EO - #D-896-3 for listed fitments Get your WRX charged up! The factory charge pipe that Subaru includes on the t...

DESCRIPTION The standard GrimmSpeed Shift Knob is one of the most popular in the Subaru aftermarket for a reason. They are the perfect mixture of r...

DESCRIPTION We decided on a subtle design for this cover that mimics the “vent” styling on our matching GrimmSpeed Alternator Cover. Is it made fro...

DESCRIPTION The GrimmSpeed Engine Bay Cap Set completely replaces the OEM yellow caps under the hood of all 2008-21 WRX and STI models, as well as ...

DESCRIPTION The GrimmSpeed Engine Bay Cap Set completely replaces the OEM yellow caps under the hood of the 2022+ Subaru WRX. Available in either b...

DESCRIPTION Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the brand new GrimmSpeed Fender Shrouds....

DESCRIPTION GrimmSpeed’s Engine Bay Shrouds have been a favorite amongst Subaru Enthusiasts for nearly a decade due to their minimal design and pai...

DESCRIPTION Engineered for real-world performance and durability, the GrimmSpeed Front Strut Bar adds critical front-end rigidity to your 2008–2014...

DESCRIPTION The GrimmSpeed Front Strut Bar for the 2015-2021 Subaru WRX/STI blends precision engineering with clean aesthetics to deliver serious p...

DESCRIPTION The GrimmSpeed Front Strut Bar for the 2022+ Subaru WRX delivers a precise blend of structural rigidity and clean design. Built with fo...

DESCRIPTION Lightweight Batteries are an excellent and inexpensive way to remove weight from your Subaru, which has an OEM battery tipping the scal...

DESCRIPTION Clean up that engine bay and show your GrimmSpeed pride with our newly-designed Subaru Battery Tiedown. Laser cut, then CNC bent and po...

DESCRIPTION The GrimmSpeed Lightweight Crank Pulley reduces the rotational mass of the system, allowing your engine to accelerate and decelerate th...

DESCRIPTION This is the GrimmSpeed Post MAF Hose Kit. This hose kit has been designed to replace the OEM hose to increase the flow to improve the o...

DESCRIPTION Our Pulley Cover is precision laser cut and CNC bent from locally-sourced material and each cover receives a durable powdercoat finish....

DESCRIPTION GrimmSpeed's Pulley Cover is designed to complement the GrimmSpeed Billet Top Mount Intercooler. This cover not only enhances aesthetic...

DESCRIPTION This is the GrimmSpeed Radiator Hose Kit. These radiator hoses feature multi-layer silicone construction that is built to last while im...

DESCRIPTION The GrimmSpeed Black Radiator Hose Kit was manufactured using a 5-ply construction system with fiber reinforcement between each layer ...

DESCRIPTION The GrimmSpeed Radiator Shroud for the 2015-2021 Subaru WRX/STI is made from CNC laser cut and bent aluminum and covered in a very dura...

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

DESCRIPTION The GrimmSpeed Stubby Knobs are for car enthusiasts that prefer a shift knob that's on the short and fat side, based off the design of ...

DESCRIPTION The GrimmSpeed Black Tallboy Shift Knobs are for car enthusiasts that prefer a shift knob that's on the tall and skinny side, based off...

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

The bar has been raised. So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes...

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...