GrimmSpeed Top Mount Intercooler Blow-Off Valve Gasket - Subaru WRX 2002-2007 / STi 2004-2021
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Engine Build Components
Engine Gaskets
Flanges & V-Band
Gaskets & Miscellaneous
Grimmspeed
New products
The OEM Subaru Top Mount Intercooler Gaskets are pretty weak, and will eventually give out. But fear not, GrimmSpeed has answered your call. Their...
GrimmSpeed Alternator Cover - Subaru WRX 2002-2014 / STi 2004-2020 (+Multiple Fitments)
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Alternator Covers
Belt Covers
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Engine Covers
Grimmspeed
New products
Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what you need....
GrimmSpeed Master Cylinder Brace - Subaru WRX / STi 2008-2014 (+Multiple Subaru Fitments)
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Brake Accessories
Brake System
Brakes
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Grimmspeed
Master Cylinder Braces
New products
Pressing Subaru brakes leaves a lot to be desired, especially when every inch counts in a race or when you are depending on them...
GrimmSpeed Air Oil Separator - Subaru WRX 2002-2007 / STi 2004-2020
078006
Air Oil Separators
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Grimmspeed
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Oil System
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake...
GrimmSpeed Phenolic Spacer Upper Intake Manifold - Hyundai Genesis Coupe 3.8 2013
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Engine Build Components
Engine Gaskets
Gaskets & Miscellaneous
Grimmspeed
New products
Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more...
GrimmSpeed Phenolic Thermal Spacers 8mm - Subaru WRX 2002-2014 / STi 2004-2014 / Legacy GT 2005-2012 / Forester XT 2004-2013
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Gaskets & Miscellaneous
Grimmspeed
New products
Do you know what your intake manifold sits on?...a superheated engine. If you don't know already, the cooler your intake air is the more...
GrimmSpeed Replacement Donut Gasket - Multiple Subaru Applications
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Engine Gaskets
Gaskets & Miscellaneous
Grimmspeed
New products
GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem...
GrimmSpeed Turbo to Downpipe Gasket - Subaru WRX 2015-2020
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Exhausts
Grimmspeed
New products
This is the Grimmspeed Turbo to Downpipe Gasket. Exhaust gaskets whether they be on the turbocharger or anywhere on the exhaust manifold see more...
GrimmSpeed Exhaust Manifold to Uppipe 2X Thick Gasket - Multiple Subaru Fitments
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Exhausts
Gaskets & Miscellaneous
Grimmspeed
New products
GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.FINALLY you have an option for an extra thick Exhaust Manifold to Up Pipe...
GrimmSpeed Shift Knob (Stainless Steel) - Subaru 5 Speed & 6 Speed Models
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Grimmspeed
Interior Accessories
New products
Shift Knobs
Shifters & Bushings
Each knob is machined from solid 304 stainless steel rod or delrin in Minnesota and weighs in at 675g. Each shift knob also receives...
GrimmSpeed Subaru 3" Downpipe to OEM Catback Adapter - Multiple Subaru Models
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Exhaust Accessories
Exhausts
Grimmspeed
New products
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 Cherry Blossom Red(STi Pink) Paint
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Paint & Glass Cleaner
Vehicle Care
Vehicle Protection
GrimmSpeed Cherry Blossom Paint
*Pictures used for marketing purposes only, actual product may vary
GrimmSpeed BroTie Mounting Bracket for Hella Horns - Subaru WRX / STI 2002+
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Exterior Styling
Grimmspeed
Horns & Accessories
New products
Grimmspeed engineers overlaid 3D scans of GD, GR and VA chassis core support in CAD. From there, a unique design was created that allows the...
GrimmSpeed Adjustable Wastegate (IWG) Bracket - Universal
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Grimmspeed
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Wastegates & Accessories
No More Welding Turbos! Fully Adjustable Rod Design For Most Subaru OEM/Aftermarket Turbos! Stainless Steel Construction Laser Engraved GrimmSpeed Logo Simple and Attractive Allen...
GrimmSpeed License Plate Frames - GrimmSpeed Text (Pr)
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Grimmspeed
New products
Hey, GET SEEN! Check out our new license plate frames with raised white lettering. It is impossible to be any more "GrimmSpeed" when you...
GrimmSpeed Wiring Harness for Hella Horns - Subaru WRX / STI 2002-2014
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Exterior Styling
Grimmspeed
Horns & Accessories
New products
This is the Grimmspeed wiring harness for those of you planning on installing Hella Horns on your vehicle. This wiring harness provides a clean and...
GrimmSpeed License Plate Relocation Kit - Subaru WRX / STI 2015-2017
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Exterior Styling
Grimmspeed
License Plate Relocation Kits
New products
This is the Grimmspeed License Plate Relocation Kit. The main purpose of these is to position the license plate to the OEM tow hook...
GrimmSpeed License Plate Relocation Kit - Subaru WRX & STi 2008-2014 / Legacy GT 2005-2009
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Exterior Styling
Grimmspeed
License Plate Relocation Kits
New products
Improve style and Increase Flow! Most adjustability available on the market! Mounts in OEM tow hook location (No cutting or drilling required) Simple stainless steel...
GrimmSpeed Cold Air Intake - Subaru WRX & STi 2008-2014 / Forester XT 2009-2013
060051
Air Induction
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Grimmspeed
New products
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 Strut Tower Brace - Subaru BRZ 2013-2020 / Scion FR-S 2013-2016
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Chassis Bracing
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Drivetrain
Grimmspeed
New products
Strut Bars / Braces
Suspension Linkage
You’ve probably read somewhere on the internet that a strut tower brace never does anything but look pretty. You’re about to read otherwise. Armed...
GrimmSpeed Hood Struts - Subaru BRZ 2013-2020 / Scion FR-S 2013-2016 / Toyota 86 2017-2020
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Grimmspeed
Hood Struts
New products
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 Top Mount Intercooler Aluminum Y-Pipe Kit - Subaru WRX 2002-2007 / STi 2004-2021 / Forester XT 2004-2008
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Grimmspeed
New products
Just bought an aftermarket or STI TMIC that requires an STI Y-Pipe to fit? Want to replace your chewed up and leaking couplers? Maybe...
GrimmSpeed Top Mount Intercooler Turbo Outlet Hose - Subaru WRX 2008-2014 / Legacy GT 2005-2009
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Cooling
Grimmspeed
Intercooler Piping Kits
New products
Constructed using a 5-ply process and high quality silicone material, this coupler will enable you to utilize a stock location, STi or aftermarket turbo on...
GrimmSpeed 3 Port Electronic Boost Control Solenoid - Subaru WRX 2002-2005
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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 Air Oil Separator - Subaru WRX 2008-2014 / Legacy GT 2005-2009
078016
Air Oil Separators
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Grimmspeed
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Oil System
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake...
GrimmSpeed Manual Boost Controller - Universal
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Electronics
Forced Induction
Grimmspeed
Manual Boost Controllers
New products
Welcome to the next evolution of boost control, The GrimmSpeed Manual Boost Controller. Introducing the most refined Manual Boost Controller available on the market....
Grimmspeed Front Mount Intercooler Kit - Subaru WRX 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 Stage 1 Power Package - Subaru STi 2015-2021
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Electronics
Engine Management
Grimmspeed
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Power Packages
The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well together, as...
GrimmSpeed Radiator Hose Kit - Subaru Forester XT 2004-2008
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Cooling
Grimmspeed
New products
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 Radiator Hose Kit - Subaru WRX 2015-2020 / Forester XT 2014-2019
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Cooling
Grimmspeed
New products
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...
