GrimmSpeed Turbo to Downpipe Gasket - Multiple Subaru Fitments (EJ Models)
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GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to...
GrimmSpeed Downpipe to Catback 3" 2-Bolt Gasket
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GrimmSpeed Universal 3 inch 2 Bolt Exhaust Gasket 7-layer 22% thicker then OEM
Grimmspeed Head to Exhaust Manifold Dual Port Collectors Gasket (Pair) - Multiple Subaru Fitments
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At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel OEM style gaskets....
GrimmSpeed Exhaust Manifold to Up Pipe Gasket - 1993+ Subaru Turbo Models
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GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to...
Grimmspeed Electronic Boost Control Solenoid 3-PORT - Subaru STi 2008-2021
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Boost Control Solenoids
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The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
GrimmSpeed Aluminum Turbo Inlet - Subaru WRX 2015-2021
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Item is frequently sold out, please contact us for lead time before ordering. One of the biggest complaints from 2015-21 WRX owners has to...
GrimmSpeed Up pipe to Turbo Gasket - Multiple Subaru Fitments
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Grimmspeed
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GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At GrimmSpeed™ we have worked with endless amounts of aftermarket gaskets, none seem to...
GrimmSpeed 3-Port Electronic Boost Control Solenoid - Subaru WRX 2008-2014 / Legacy GT 2005-2009
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Boost Control Solenoids
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Electronics
Forced Induction
Grimmspeed
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The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
GrimmSpeed Electronic 3-Port Boost Control Solenoid Kit - Subaru WRX FA20 2015-2020
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Boost Control Solenoids
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Electronics
Forced Induction
Grimmspeed
New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
GrimmSpeed Radiator Hose Kit - Subaru WRX 2008-2014 / STi 2008-2021 / Forester XT 2009-2013
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Radiator Accessories
Radiator Hoses
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages...
GrimmSpeed Subaru OEM Downpipe to 3" Catback Adapter - Multiple Subaru Fitments
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Exhaust leaks seem to be an all-too-common issue with most modified Subarus. They tend to spring up out of nowhere and cause hours of...
GrimmSpeed Top Mount Intercooler Silicone Coupler Kit - Subaru WRX 2002-2007 / STi 2004-2021 / Forester XT 2004-2007
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High quality replacement TMIC Y-pipe hoses: Is your old 90 degree TMIC coupler all chewed up from years of use? Is it dirty and...
Grimmspeed Overtake BB500 Turbocharger - Subaru STI 2004-2021 / WRX 2002-2007 (+Multiple Fitments)
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Turbochargers / Turbo Kits
Both of Grimmspeed's new turbocharger options feature state of the art proprietary compressors, turbines, CHRA's and wheel designs which maximize the power made on your EJ engine at...
Grimmspeed Front Mount Intercooler Kit - Subaru WRX 2015-2021
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Intercoolers
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Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard of how a high performance heat exchanger should be crafted. Our intercoolers have always...
GrimmSpeed Equal Length Header - Subaru WRX 2015-2021
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Exhaust Manifolds & Headers
Exhausts
Grimmspeed
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The Highest Quality, Built to Last! Over the years, GrimmSpeed has proven that our exhaust products are some of the highest-quality and best-performing in...
GrimmSpeed StealthBox Cold Air Intake - Subaru WRX STi 2015-2020
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Air Induction
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You've been asking for this bad sally for a while and it's finally here. The intake the for the 15+ STI can be thought...
GrimmSpeed Downpipe to Catback 3" 2-Bolt 2X Thick Gasket - Multiple Fitments
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Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the market. 12 LAYERS!Tired of the endless searching...
Grimmspeed 2.25" / 2.5" Universal Exhaust Gasket
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If you've dealt with sourcing exhaust gaskets before, you know that there are a lot of different options at a lot of different price...
GrimmSpeed J-Pipe Hardware Kit - Subaru WRX 2015-2020
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GrimmSpeed has provided you with new J-Pipe hardware. Every time you remove or replace your J-Pipe, you should use new hardware upon re-assembly to...
GrimmSpeed V2 Turbo Heat Shield - Multiple Subaru Turbo Models
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Heat Shields & Wraps
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The turbocharger is one of the hottest components in your engine bay and can have some really negative effects on its surroundings. As it...
GrimmSpeed StealthBox Cold Air Intake - Subaru WRX 2015-2020
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Air Induction
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Inspiration for the StealthBox Intake came from internal discussions about what GS wanted from an intake system for the 2015+ WRX. Of course performance...
GrimmSpeed Cold Air Intake - Subaru BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020
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Air Induction
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Grimmspeed's Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with and...
GrimmSpeed Hood Struts - Subaru WRX 2002-2007 / STi 2004-2007
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Hood Struts
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Tired of that ugly OEM hood prop blocking your view of that beautiful FA20 boxer engine? Always wanted to open your feather-light hood with...
GrimmSpeed Electronic Boost Control Solenoid 3-Port - Subaru WRX 2006-2007 / STi 2004-2007 / Forester XT 2004-2008
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Boost Control Solenoids
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Electronics
Forced Induction
Grimmspeed
New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
Grimmspeed Chase JB400 Turbocharger - Subaru STI 2004-2021 / WRX 2002-2007 (+Multiple Fitments)
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Grimmspeed
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Turbochargers / Turbo Kits
Both of Grimmspeed's new turbocharger options feature state of the art proprietary compressors, turbines, CHRA's and wheel designs which maximize the power made on your EJ engine at...
Grimmspeed Front Mount Intercooler Kit - Subaru STi 2015-2021
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Cooling
Grimmspeed
Intercoolers
New products
Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard of how a high performance heat exchanger should be crafted. Our intercoolers have always...
GrimmSpeed Front Mount Intercooler Kit - Subaru STI 2008-2014
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Cooling
Grimmspeed
Intercoolers
New products
Meticulous Engineering, Unparalleled Craftsmanship GrimmSpeed Intercoolers have set the gold standard for how a high performance heat exchanger should be crafted. Our intercoolers have always...
GrimmSpeed Electronic Boost Control Solenoid 3-Port - MazdaSpeed 3 2007-2013
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Boost Control Solenoids
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Electronics
Forced Induction
Grimmspeed
New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
GrimmSpeed 3-Port Electronic Boost Control Solenoid - Mitsubishi EVO X 2008-2015
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Boost Control Solenoids
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Electronics
Forced Induction
Grimmspeed
New products
The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your...
GrimmSpeed Rally Blue(WRB) Paint
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Paint & Glass Cleaner
Vehicle Care
Vehicle Protection
Stepping out with style, GrimmSpeed brings you the ONLY way to get 100% paint match to your most desirable colors. *Subaru World Rally Blue*...
