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2015-2021 Subaru WRX / STI

GrimmSpeed V2 Bypass Valve 2015-2021 WRX

Original price $249.00
Original price $249.00 - Original price $249.00
Original price $249.00
Current price $211.65
$211.65 - $211.65
Current price $211.65

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

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GrimmSpeed V2 Bypass Valve 2004-2021 STI / 2002-2007 WRX

Original price $249.00
Original price $249.00 - Original price $249.00
Original price $249.00
Current price $211.65
$211.65 - $211.65
Current price $211.65

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

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GrimmSpeed V2 Cast Aluminum Turbo Inlet 2015-2021 WRX

Original price $199.00
Original price $199.00 - Original price $199.00
Original price $199.00
Current price $169.15
$169.15 - $169.15
Current price $169.15

DESCRIPTION The main difference between our original cast turbo inlets and the new V2 is that there are no longer two different fitments for the 20...

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GrimmSpeed Dry-Con Air Filters

Original price $59.00
Original price $59.00 - Original price $59.00
Original price $59.00
Current price $50.15
$50.15 - $50.15
Current price $50.15

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...

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GrimmSpeed 3-Port Electronic Boost Control Solenoid 2015-2021 WRX

Original price $169.00
Original price $169.00 - Original price $169.00
Original price $169.00
Current price $143.65
$143.65 - $143.65
Current price $143.65

DESCRIPTION The GrimSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use,...

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GrimmSpeed Stock Downpipe to Aftermarket 3" Catback Adapter

Original price $57.00
Original price $57.00 - Original price $57.00
Original price $57.00
Current price $48.45
$48.45 - $48.45
Current price $48.45

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...

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GrimmSpeed Chase JB400 Turbocharger Kit 2004-2021 STI / 2008-2014 WRX

Original price $1,350.00
Original price $1,350.00 - Original price $1,350.00
Original price $1,350.00
Current price $1,147.50
$1,147.50 - $1,147.50
Current price $1,147.50

DESCRIPTION The Chase JB400 Turbo is the smaller of our two offerings, this journal bearing unit is a perfect bolt-on to any stage 3 car. The Chase...

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Grimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX

Original price $29.00
Original price $29.00 - Original price $29.00
Original price $29.00
Current price $24.65
$24.65 - $24.65
Current price $24.65

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

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GrimmSpeed License Plate Relocation Kit 2018+ WRX/STI

Original price $79.00
Original price $79.00 - Original price $79.00
Original price $79.00
Current price $67.15
$67.15 - $67.15
Current price $67.15

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...

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GrimmSpeed Overtake BB500 Turbocharger Kit 2004-2021 STI / 2008-2014 WRX

Original price $1,650.00
Original price $1,650.00 - Original price $1,650.00
Original price $1,650.00
Current price $1,402.50
$1,402.50 - $1,402.50
Current price $1,402.50

DESCRIPTION GrimmSpeed's new Overtake BB500 Turbocharger is another powerful turbocharger designed by GrimmSpeed. The Overtake Ball-Bearing 500-Ser...

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GrimmSpeed Electronic Boost Control Solenoid 3-Port 2008-2021 STI

Original price $129.00
Original price $129.00 - Original price $129.00
Original price $129.00
Current price $109.65
$109.65 - $109.65
Current price $109.65

DESCRIPTION The GrimmSpeed Electronic Boost Control Solenoid is one of GrimmSpeed's most utilized upgrades due to the durability, simplicity of use...

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GrimmSpeed Red Charge Pipe Kit 2015-2021 WRX

Original price $295.00
Original price $295.00 - Original price $295.00
Original price $295.00
Current price $250.75
$250.75 - $250.75
Current price $250.75

DESCRIPTION The GrimmSpeed Top Mount Intercooler Charge Pipe Kit is a redesigned performance upgrade over the OEM plastic unit that is restrictive ...

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GrimmSpeed J-Pipe Hardware Kit 2015-2021 WRX

Original price $49.00
Original price $49.00 - Original price $49.00
Original price $49.00
Current price $41.65
$41.65 - $41.65
Current price $41.65

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...

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GrimmSpeed Black Stealthbox Intake 2015-2021 WRX

Original price $399.00
Original price $399.00 - Original price $399.00
Original price $399.00
Current price $339.15
$339.15 - $339.15
Current price $339.15

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

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GrimmSpeed Red Stealthbox Intake 2015-2021 WRX

Original price $399.00
Original price $399.00 - Original price $399.00
Original price $399.00
Current price $339.15
$339.15 - $339.15
Current price $339.15

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

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GrimmSpeed High Lift Hood Struts 2015+ WRX / 2015-2021 STI

Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $84.15
$84.15 - $84.15
Current price $84.15

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...

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GrimmSpeed Top Mount Intercooler Aluminum Y-Pipe Kit 2004-2021 STI

Original price $169.00
Original price $169.00 - Original price $169.00
Original price $169.00
Current price $143.65
$143.65 - $143.65
Current price $143.65

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

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GrimmSpeed Unequal Length Header 2002-2014 WRX/ 2004-2021 STI

Original price $999.00
Original price $999.00 - Original price $999.00
Original price $999.00
Current price $849.15
$849.15 - $849.15
Current price $849.15

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...

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GrimmSpeed Top Mount Intercooler Kit 2002-2007 WRX / 2004-2021 STI

Original price $719.00 - Original price $799.00
Original price $719.00 - Original price $799.00
Original price $719.00
$611.15 - $679.15
$611.15 - $679.15
Current price $611.15

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

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GrimmSpeed V1 Cast Aluminum Turbo Inlet 2015-2021 WRX

Original price $199.00
Original price $199.00 - Original price $199.00
Original price $199.00
Current price $169.15
$169.15 - $169.15
Current price $169.15

Don't risk cracking your OE plastic inlet. One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their...

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GrimmSpeed Donut Gasket 2002-2014 WRX / 2004-2021 STI

Original price $16.00
Original price $16.00 - Original price $16.00
Original price $16.00
Current price $13.60
$13.60 - $13.60
Current price $13.60

DESCRIPTION This is the GrimmSpeed Downpipe Donut Gasket. This gasket is available as a direct replacement for your leaking OEM donut gasket and fe...

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Grimmspeed Black Classic Shift Knob 2002+ WRX / 2004-2021 STI

Original price $69.00
Original price $69.00 - Original price $69.00
Original price $69.00
Current price $58.65
$58.65 - $58.65
Current price $58.65

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...

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GrimmSpeed Exhaust Gasket Set 2002-2014 WRX/ 2004-2021 STI

Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $84.15
$84.15 - $84.15
Current price $84.15

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...

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GrimmSpeed Red Pulley Cover 2015-2021 WRX

Original price $89.00
Original price $89.00 - Original price $89.00
Original price $89.00
Current price $75.65
$75.65 - $75.65
Current price $75.65

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...

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Grimmspeed Red Stubby Shift Knob 2002+ WRX / 2004-2021 STI

Original price $69.00
Original price $69.00 - Original price $69.00
Original price $69.00
Current price $58.65
$58.65 - $58.65
Current price $58.65

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...

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GrimmSpeed Top Mount Intercooler Kit 2015-2021 WRX

Original price $889.00 - Original price $999.00
Original price $889.00 - Original price $999.00
Original price $889.00
$755.65 - $849.15
$755.65 - $849.15
Current price $755.65

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

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GrimmSpeed Bypass Valve/ Blow Off Valve Gasket 2002-2007 WRX / 2004-2021 STI

Original price $13.00
Original price $13.00 - Original price $13.00
Original price $13.00
Current price $11.05
$11.05 - $11.05
Current price $11.05

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 ...

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GrimmSpeed Front Mount Intercooler Kit 2015-2021 STI

Original price $1,559.00 - Original price $1,679.00
Original price $1,559.00 - Original price $1,679.00
Original price $1,559.00
$1,325.15 - $1,427.15
$1,325.15 - $1,427.15
Current price $1,325.15

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

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GrimmSpeed Red Lightweight Battery Tiedown 2002+ WRX / 2004-2021 STI

Original price $39.00
Original price $39.00 - Original price $39.00
Original price $39.00
Current price $33.15
$33.15 - $33.15
Current price $33.15

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...

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Grimmspeed Red Tallboy Shift Knob 2002+ WRX / 2004-2021 STI

Original price $69.00
Original price $69.00 - Original price $69.00
Original price $69.00
Current price $58.65
$58.65 - $58.65
Current price $58.65

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...

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GrimmSpeed 2 Bolt Up-Pipe 2006-2014 WRX / 2004-2021 STI

Original price $269.00
Original price $269.00 - Original price $269.00
Original price $269.00
Current price $228.65
$228.65 - $228.65
Current price $228.65

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...

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GrimmSpeed Red Stealthbox Intake 2015-2021 STI

Original price $349.00
Original price $349.00 - Original price $349.00
Original price $349.00
Current price $296.65
$296.65 - $296.65
Current price $296.65

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

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GrimmSpeed Red Radiator Shroud 2015-2021 WRX/STI

Original price $89.00
Original price $89.00 - Original price $89.00
Original price $89.00
Current price $75.65
$75.65 - $75.65
Current price $75.65

DESCRIPTION The GrimmSpeed Radiator Shroud has been designed to improve the overall cooling efficiency of your vehicle by channeling the incoming a...

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GrimmSpeed Red Fender Shrouds 2015-2021 WRX/STI

Original price $89.00
Original price $89.00 - Original price $89.00
Original price $89.00
Current price $75.65
$75.65 - $75.65
Current price $75.65

DESCRIPTION The GrimmSpeed Fender Shrouds have been designed to fill in the unsightly factory gap between the insides of your front fenders, and th...

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GrimmSpeed Black Lightweight Battery Tiedown 2002+ WRX / 2004-2021 STI

Original price $39.00
Original price $39.00 - Original price $39.00
Original price $39.00
Current price $33.15
$33.15 - $33.15
Current price $33.15

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...

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Grimmspeed Lightweight Delrin Classic Shift Knob 2002+ WRX / 2004-2021 STI

Original price $49.00
Original price $49.00 - Original price $49.00
Original price $49.00
Current price $41.65
$41.65 - $41.65
Current price $41.65

DESCRIPTION The GrimmSpeed Delrin Classic Shift Knob is a great way to add modern looks and styling to the interior of your vehicle while providing...

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