GrimmSpeed

Meticulous Engineering, Unparalleled Craftsmanship Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, ...

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 The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments A top of the line Up-Pipe built to ...

DESCRIPTION The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need t...

DESCRIPTION This is the GrimmSpeed Pitch Stop Mount. This pitch stop mount is a dramatic improvement over the factory mount which is made from flex...

The ALL NEW GrimmSpeed Transmission Mounts are designed to lock down your Subaru's drivetrain and enhance the driving experience, while keeping cab...

DESCRIPTION These are the GrimmSpeed TGV to Engine Gaskets. If you need to replace your OEM gaskets, then the GrimmSpeed units make for a quality r...

DESCRIPTION Upgrade your cooling system with the GrimmSpeed Titanium Radiator Cap, rated at 1.3 bar for improved thermal control and reliability. B...

DESCRIPTION Upgrade your EJ engine bay with the GrimmSpeed Titanium Alternator Shroud for the 2002–2014 WRX and 2004–2021 STI. Designed for enthusi...

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

DESCRIPTION Elevate the style of your Subaru’s engine bay with GrimmSpeed Titanium Fender Shrouds, designed for enthusiasts who want both function ...

DESCRIPTION Upgrade your FA20 engine bay with the GrimmSpeed Titanium Pulley Cover for the 2015–2021 Subaru WRX. Designed for enthusiasts who value...

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

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

DESCRIPTION This is the Grimmspeed Splitter that is available for separate purchase. This particular splitter comes with the Grimmspeed Top Mount I...

DESCRIPTION The GrimmSpeed Turbo To Downpipe Gasket is made using a premium multi-layer steel with a stainless steel fire-ring, this gasket surpass...

DESCRIPTION The Grimmspeed Turbo to J-Pipe Gasket is a multi-layer stainless steel gasket designed to provide an optimal seal between the turbochar...

Classic Subaru Sound with Unparalleled Performance Over the years, GrimmSpeed Engineers have proven that we are capable of manufacturing the highes...

DESCRIPTION The GrimmSpeed OEM Style Gasket offers superior sealing performance with upgraded materials and construction. While most exhaust gasket...

DESCRIPTION Replace your missing or damaged up-pipe hardware with the same high-quality kit included in all GrimmSpeed Up-Pipes. Designed for durab...

DESCRIPTION One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inlets from ...

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

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

DESCRIPTION Protect your 2015–2021 Subaru WRX or STI with GrimmSpeed Mudflaps, designed specifically for the VA chassis. These mudflaps shield your...

DESCRIPTION Protect your 2022+ Subaru WRX while adding a clean, rally-inspired look with GrimmSpeed Mudflaps. Designed specifically for the VB chas...