New Products
GrimmSpeed Black V2 Bypass Valve 2015-2021 WRX
5.0 / 5.0
6 Reviews
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
5.0 / 5.0
12 Reviews
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 Red Charge Pipe Kit 2015-2021 WRX
5.0 / 5.0
3 Reviews
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 Stage 1 Power Package 2015-2021 WRX
5.0 / 5.0
1 Review
DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...
View full detailsGrimmSpeed Top Mount Intercooler Kit 2015-2021 WRX
5.0 / 5.0
1 Review
DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...
View full detailsGrimmSpeed Equal Length Headers 2015-2021 WRX
5.0 / 5.0
1 Review
DESCRIPTION The GrimmSpeed Equal Length Header has been designed to provide the turbocharger with an uninterrupted flow of exhaust gases to greatly...
View full detailsGrimmSpeed Front Mount Intercooler Kit 2015-2021 WRX
DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...
View full detailsGrimmSpeed 2 Bolt Up-Pipe 2002-2014 WRX / 2004-2021 STI
EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments DESCRIPTION We designed this up pip...
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 Stage 1 Power Package 2015-2021 STI
DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...
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 Overtake BB500 Turbocharger Kit 2002-2014 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 Front Mount Intercooler Kit 2015-2021 STI
DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...
View full detailsGrimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX
5.0 / 5.0
1 Review
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 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...
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