GrimmSpeed
GrimmSpeed V2 Bypass Valve 2015-2021 WRX
DESCRIPTION The GrimmSpeed V2 Bypass Valve received many upgrades such as a redesigned the internal piston to eliminate the potential failure point...
View full detailsGrimmSpeed V2 Cast Aluminum Turbo Inlet 2015-2021 WRX
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 ...
View full detailsGrimmSpeed V2 Bypass Valve 2002-2007 WRX / 2004-2021 STI
DESCRIPTION The GrimmSpeed V2 Bypass Valve received many upgrades such as a redesigned the internal piston to eliminate the potential failure point...
View full detailsGrimmSpeed 3-Port Electronic Boost Control Solenoid 2015-2021 WRX
DESCRIPTION The GrimSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use,...
View full detailsGrimmSpeed Dry-Con Air Filters
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...
View full detailsGrimmSpeed Electronic Boost Control Solenoid 3-Port 2008-2021 STI
DESCRIPTION The GrimmSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use...
View full detailsGrimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX
DESCRIPTION The Grimmspeed Turbo to J-Pipe Gasket is a multi-layer stainless steel gasket designed to provide an optimal seal between the turbochar...
View full detailsGrimmSpeed Stock Downpipe to Aftermarket 3" Catback Adapter
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...
View full detailsGrimmSpeed J-Pipe Hardware Kit 2015-2021 WRX
DESCRIPTION The turbo studs on the FA turbo motors are notoriously difficult to deal with. If you're lucky enough to get the nuts off without drama...
View full detailsGrimmSpeed Red Stealthbox Intake 2015-2021 WRX
DESCRIPTION The GrimmSpeed Red StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide t...
View full detailsGrimmSpeed Red Charge Pipe Kit 2015-2021 WRX
DESCRIPTION The GrimmSpeed Top Mount Intercooler Charge Pipe Kit is a redesigned performance upgrade over the OEM plastic unit that is restrictive ...
View full detailsGrimmSpeed License Plate Relocation Kit 2018+ WRX/STI
DESCRIPTION The main purpose of the Grimmspeed License Plate Relocation Kit is to position the license plate to the OEM tow hook provision. The f...
View full detailsGrimmSpeed Black Stealthbox Intake 2015-2021 WRX
DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...
View full detailsGrimmSpeed Top Mount Intercooler Aluminum Y-Pipe Kit 2004-2021 STI
DESCRIPTION The Grimmspeed Top Mount Intercooler Y-Pipe Kit has been designed to work with factory or aftermarket top mount intercoolers. This is a...
View full detailsGrimmSpeed High Lift Hood Struts 2015+ WRX / 2015-2021 STI
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...
View full detailsGrimmSpeed 2 Bolt Ceramic Coated Up-Pipe 2006-2014 WRX / 2004-2021 STI
DESCRIPTION The GrimmSpeed Ceramic Coated 2 Bolt Up-Pipe has been designed to be a high-performance direct replacement for your factory up-pipe to ...
View full detailsGrimmSpeed Overtake BB500 Turbocharger Kit 2008-2014 WRX / 2004-2021 STI
DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...
View full detailsGrimmSpeed Unequal Length Header 2002-2014 WRX/ 2004-2021 STI
DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...
View full detailsGrimmSpeed Top Mount Intercooler Kit 2002-2007 WRX / 2004-2021 STI
DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...
View full detailsGrimmspeed Black Classic Shift Knob 2002+ WRX / 2004-2021 STI
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...
View full detailsGrimmSpeed Turbo to Downpipe Gasket 2002-2014 WRX / 2004-2021 STI
DESCRIPTION The GrimmSpeed Turbo To Downpipe Gasket is made using a premium multi-layer steel with a stainless steel fire-ring, this gasket surpass...
View full detailsGrimmSpeed Exhaust Gasket Set 2002-2014 WRX/ 2004-2021 STI
DESCRIPTION We know that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We...
View full detailsGrimmSpeed 12mm Two Position Exhaust Hanger Set 2008-2021 WRX/STI
DESCRIPTION Aftermarket exhaust systems are often larger in diameter than factory systems. As a result, they have a tighter fit below your car. Wit...
View full detailsGrimmSpeed License Plate Relocation Kit 2015-2017 WRX/STI
DESCRIPTION The main purpose of the Grimmspeed License Plate Relocation Kit is to position the license plate to the OEM tow hook provision. The fr...
View full detailsGrimmSpeed Donut Gasket 2002-2014 WRX / 2004-2021 STI
DESCRIPTION This is the GrimmSpeed Downpipe Donut Gasket. This gasket is available as a direct replacement for your leaking OEM donut gasket and fe...
View full detailsGrimmSpeed 2 Bolt Up-Pipe 2006-2014 WRX / 2004-2021 STI
DESCRIPTION We designed this up pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD Software. This assures that we c...
View full detailsGrimmSpeed Red Stealthbox Intake 2015-2021 STI
DESCRIPTION The GrimmSpeed StealthBox Cold Air Intake System is the result of countless invested hours in research and development to provide the p...
View full detailsGrimmSpeed Red Radiator Shroud 2015-2021 WRX/STI
DESCRIPTION The GrimmSpeed Radiator Shroud has been designed to improve the overall cooling efficiency of your vehicle by channeling the incoming a...
View full detailsGrimmSpeed Red Lightweight Battery Tiedown 2002+ WRX / 2004-2021 STI
DESCRIPTION Here, you are looking at the GrimmSpeed Lightweight Battery Tiedown. This is a great way to improve the looks and aesthetics of your en...
View full detailsGrimmSpeed Top Mount Intercooler Kit 2015-2021 WRX
DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...
View full detailsGrimmspeed Red Tallboy Shift Knob 2002+ WRX / 2004-2021 STI
DESCRIPTION The GrimmSpeed Red Tallboy Shift Knob is a great way to add modern looks and styling to the interior of your vehicle while providing th...
View full detailsGrimmSpeed Downpipe to Catback 3" Gasket
DESCRIPTION Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" ...
View full detailsGrimmSpeed Red Pulley Cover 2015-2021 WRX
DESCRIPTION The GrimmSpeed Pulley Cover is a great way to improve the aesthetics of your engine bay by replacing the simple OEM cover that is plast...
View full detailsGrimmspeed Red Stubby Shift Knob 2002+ WRX / 2004-2021 STI
DESCRIPTION The GrimmSpeed Red Stubby Shift Knob is a great way to add modern looks and styling to the interior of your vehicle while providing the...
View full detailsGrimmSpeed Bypass Valve/ Blow Off Valve Gasket 2002-2007 WRX / 2004-2021 STI
DESCRIPTION We all know how bad (and expensive!) the OEM Subaru Top Mount Intercooler Gaskets can be. They are one of the greatest source of leaks ...
View full detailsGrimmSpeed Exhaust Manifold to Head Gasket (Pair) 2002+ WRX/STI
DESCRIPTION These are the Grimmspeed Head to Exhaust Manifold Dual Port Gaskets. These particular gaskets see some of the highest temperatures when...
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