GrimmSpeed

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

DESCRIPTION At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel OEM style ...

DESCRIPTION You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the...

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

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

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

DESCRIPTION The GrimmSpeed Lightweight Delrin Stubby Shift Knob is a great way to add modern looks and styling to the interior of your vehicle whil...

DESCRIPTION This is the GrimmSpeed Air Oil Separator. If you're familiar with modifying your vehicle, then you will know the importance of an air/o...

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

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

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

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

The GrimmSpeed Gentleman’s Exhaust returns with a redesigned Version 2. This version is focused on improved install flexibility, long-term durabili...

DESCRIPTION Upgrade the weak factory horn on your Subaru with the GrimmSpeed Hella Horn Kit for the 2002-2014 Subaru WRX & 2004-2014 Subaru STI...

DESCRIPTION Upgrade the weak factory horn on your Subaru with the GrimmSpeed Hella Horn Kit for the 2022–2026 Subaru WRX. This complete kit deliver...

DESCRIPTION Upgrade the weak factory horn on your Subaru with the GrimmSpeed Hella Horn Kit for the 2015–2021 Subaru WRX and 2015–2021 Subaru STI. ...

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 It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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

DESCRIPTION The GrimmSpeed Exhaust Manifold to Turbo Gasket for the 2022+ WRX is a premium OEM-style replacement designed to deliver superior seali...

DESCRIPTION The GrimmSpeed Titanium Radiator Shroud for the 2015–2021 WRX and STI transforms one of the most visible areas of the engine bay into a...

DESCRIPTION The GrimmSpeed Charge Pipe Kit for the 2022+ WRX is a direct replacement for the factory Subaru piping. This kit was crafted from durab...

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit for the 2008–2014 STI is engineered to deliver maximum cooling efficiency with minimal press...

DESCRIPTION Bring back the classic Subaru sound with the GrimmSpeed Hella Horn Kit for the 2022–2025 Subaru WRX. Designed specifically for the VB c...

DESCRIPTION Upgrade your 2022+ Subaru WRX engine bay with the GrimmSpeed Titanium Radiator Shroud. Built on the proven design of GrimmSpeed’s long-...

DESCRIPTION Upgrade your 2022+ Subaru WRX engine bay with the GrimmSpeed Titanium Pulley Cover. Based on the proven design of GrimmSpeed’s long-sta...

DESCRIPTION Upgrade your 2015–2021 Subaru WRX or STI engine bay with GrimmSpeed Titanium Fender Shrouds. These precision-crafted titanium panels re...

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...

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