Exhaust Mods
GrimmSpeed 2 Bolt Ceramic Coated 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 The GrimmSpeed Ceramic ...
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 Stock Downpipe to Aftermarket 3" Catback Adapter 2002-2026 WRX/ 2004-2021 STI
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 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 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 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 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 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 Downpipe to Catback 3" Gasket 2002-2026 WRX / 2004-2021 STI
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 Up-Pipe Hardware Kit 2002-2014 WRX / 2004-2021 STI
DESCRIPTION Replace your missing or damaged up-pipe hardware with the same high-quality kit included in all GrimmSpeed Up-Pipes. Designed for durab...
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 Aftermarket 3" Downpipe to OEM Catback Adapter
DESCRIPTION Exhaust leaks seem to be an all-too-common issue with most modded Subarus. The most guaranteed leak you will get is if you run an after...
View full detailsGrimmSpeed Downpipe to Catback 3" Gasket 2x Thick 2002-2026 WRX / 2004-2021 STI
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 12mm Two Position Exhaust Hanger 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 Equal Length Header 2022-2026 WRX
The result of our hard work is one of the best looking, performing and most-durable header options in the Subaru aftermarket. The runners are CNC-b...
View full detailsGrimmSpeed V2 Non-Resonated Catback Exhaust 2015-2021 WRX / 2015-2021 STI
The GrimmSpeed Gentleman’s Exhaust returns with a redesigned Version 2. This version is focused on improved install flexibility, long-term durabili...
View full detailsGrimmSpeed V2 Resonated Catback Exhaust 2015-2021 WRX / 2015-2021 STI
The GrimmSpeed Gentleman’s Exhaust returns with a redesigned Version 2. This version is focused on improved install flexibility, long-term durabili...
View full detailsGrimmSpeed Exhaust Manifold to Turbo Gasket 2022+ WRX
DESCRIPTION The GrimmSpeed Exhaust Manifold to Turbo Gasket for the 2022+ WRX is a premium OEM-style replacement designed to deliver superior seali...
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