GrimmSpeed

Exhaust leaks seem to be an all-too-common issue with Most modded Subarus. They tend to spring up out of nowhere and cause hours of troubleshooting headaches. The Most guaranteed leak you will get though is if you run an aftermarket 3 Inch downpipe to an OEM or OEM like 2.5 Inch Exhaust. Compare our..

Most Complete and COMPACT Air/Oil Separator on the market! 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 system. The GrimmSpeed Air/Oil Separator for Subaru vehicles has a unique Design that allows you to maintain ..

Most Complete and Compace Air/Oil Separator on the market! 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 system. The GrimmSpeed Air/Oil Separator for Subaru vehicles has a unique Design that allows you to maintain ..

Hardcore heat cycles or repetitive removal can Over time wear on the O-rings in the AOS. Maybe you like the peace of mind or have a show car you always want in perfect condition, this rebuild kit will get you all sealed up! It comes with all necessary o-rings for a full replacement.(6) O-rings Inc..

Most Complete and Compace Air/Oil Separator on the market! 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 system. The GrimmSpeed Air/Oil Separator for Subaru vehicles has a unique Design that allows you to maintain ..

Most Complete and Compact Air/Oil Separator on the market! 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 system. The GrimmSpeed Air/Oil Separator for Subaru vehicles has a unique Design that allows you to maintain ..

Engineered to Perfection.Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what you need. This cover mounts securely in place of your plastic factory cover and its asymmetric Design is intended to compliment the GrimmSpe..

Engineered to Perfection. Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has just what you need. This cover mounts securely in place of your plastic factory cover and its asymmetric Design is intended to compliment the GrimmSp..

Don't risk cracking your OE plastic inlet. One of the biggest complaints we've heard from 15-21 WRX owners has to do with cracks forming in their OEM plastic turbo inlets from removal, Installation or just general wear and tear. As the plastic inlet ages and becomes brittle, it has a tendency to sep..

Don't risk cracking your OE plastic inlet. One of the biggest complaints we've heard from 15-21 WRX owners has to do with cracks forming in their OEM plastic turbo inlets from removal, Installation or just general wear and tear. As the plastic inlet ages and becomes brittle, it has a tendency to sep..

Now available for Subaru Impreza models from 1996-2008. The Antenna Delete Plate is made from Black powder-coated aluminum that is fade-resistant to the sun. Installation is easy and the end result appearance is that of an OEM part. As with all GrimmSpeed products, one-of-a-kind craftsmanship is beh..

An elegantly Engineered solution.Custom Machined Adapter Makes use of the factory inlet recirculation port, instead of blocking it off Black Anodized Finish - Protects the assembly from corrosion in an extremely demanding environment Viton O-Ring Increased Durability and resistance to oil/gasoline..

Dress to impress! GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners Over the years, but there's always been one small piece missing: Introducing The GrimmSpeed Boost Control Solenoid Cover for the 08-2021 Subaru STI! We decided on a subtle Design for this cover that mi..

Dress to impress! GrimmSpeed engine dress-up pieces have been extremely popular with Subaru owners Over the years, but there's always been one small piece missing: Introducing The GrimmSpeed Boost Control Solenoid Cover for the 08-2021 Subaru STI! We decided on a subtle Design for this cover that mi..

The Original Direct-Fit BCS for turbo Subarus. GrimmSpeed is proud to provide the Most Complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing ..

The Original Direct-Fit BCS for turbo Subarus. GrimmSpeed is proud to provide The Most Complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing ..

The Original Direct-Fit BCS for Turbo Subarus. GrimmSpeed is proud to provide The Most Complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing ..

The Original Direct-Fit BCS for Turbo Subarus. GrimmSpeed is proud to provide The Most Complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2-port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing ..

An Elegantly-Engineered Solution. If you've been in the Subaru game for long, you're probably well aware that a 3-port Electronic Boost Control Solenoid (EBCS) is considered by Most to be a must have improvement before having your car tuned. GrimmSpeed has become the trusted brand in the EBCS market..

An FA20 BCS for Aftermarket Turbos.1/4in Barbed Fittings - Matches the factory turbo and wastegate hose size 3-Port Solenoid - Proprietary internal modifications prepare the solenoid for extreme conditions below the vehicle Plug-n-Play Wiring Connector - Plugs directly into the factory wiring harn..

The Original Direct-Fit BCS for Subarus Now for any Platform! When it comes to boost control on turbocharged engines, GrimmSpeed Direct-Fit, 3-Port Electronic Boost Control Solenoids for Subaru, Mitsubishi and Mazda have set the standard in the industry. With that popularity, have come requests for ..

The Most Complete and Best performing MazdaSpeed BCS Ever Built, Period.Get into Boost Much Quicker (Flows 10 Percent more than competition) Plug and Play into OEM Harness (no splicing wire like other BCS!) Factory Fit for clean Install Works Safely with factory Mazda ECU (custom coil to match ECU..

The Most Complete and Best performing MazdaSpeed BCS Ever Built, Period.Get into Boost Much Quicker (Flows 10 Percent more than the competition) Plug and Play into OEM Harness (no splicing wire like other BCS!) Factory Fit for clean Install Works Safely with factory Mazda ECU (custom coil to match..

The Most Complete EVO BCS Ever Built, Period. Get into Boost Much Quicker (Flows 10 Percent more than the competition) Plug and Play into OEM Harness (no splicing wire like other BCS! )Factory Fit with clean Install Works Safely with Factory EVO ECU (custom coil to match ECU)Nickel Plated Fittings a..

The Most Complete EVO BCS Ever Built, Period.Get into Boost Much Quicker (Flows 10 Percent more than the competition) Plug and Play into OEM Harness (no splicing wire like other BCS!) Factory Fit with clean Install Works Safely with Factory EVO ECU (custom coil to match ECU) Nickel Plated Fittings..

With so many catback exhaust options available, our goal was to create a unique, refined sound in an extremely high-quality hand-welded system. We've been affectionately referring to it as the gentleman's exhaust around the shop due to its mature tone. Available in both resonated and un-resonated op..

With so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We've been casually referring to it as the gentleman's catback around the shop, to ensure that our mission wasn't lost in all of the craziness. We also wanted to produce a sing..

With so many catback exhaust options available, our goal was to create a unique, refined sound in an extremely high-quality hand-welded system. We've been affectionately referring to it as the gentleman's exhaust around the shop due to its mature tone. Available in both resonated and un-resonated op..

With so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We've been casually referring to it as the gentleman's catback around the shop, to ensure that our mission wasn't lost in all of the craziness. We also wanted to produce a sing..

Take Your Subaru to the next level with a GrimmSpeed Turbocharger! Introducing the JB400 Turbo: The GrimmSpeed turbocharger Program started by recognizing a need in the market for a robust, quick-spooling and high-performing turbo. Design began from The ground up and took Over 3 years of hard ..

Direct Cherry Blossom Red Match! Note: Aerosol paints can only be shipped in the lower 48 states and cannot travel via USPS or UPS. Contains hazardous materials. GrimmSpeed Cherry Blossom Red PaintStepping out with style, GrimmSpeed brings you the Only way to get 100 Percent paint match to Subaru's ..

Finally a GD intake with the looks to match its performance. It's no secret that GrimmSpeed intakes feature performance and aesthetics that lead the pack. With years of Design theories and knowledge gained from our successful intake program, we have developed solutions that increase power and are ve..

Meticulous engineering meets elegant Design. For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart from the rest. We examined and tested current offerings, and identified their shortcomings. We formed theories, and Over months of..

Meticulous engineering meets elegant Design. For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart from the rest. We examined and tested current offerings, and identified their shortcomings. We formed theories, and Over months of..

Real 10whp gains in 30min with no tuning. Design requirements for this intake were simple: The intake must Not only be safe for the engine, but perform well both with and without tuning. The intake must be able to be Installed quickly, without removal of the bumper. The intake must produce horsepowe..

The Pulley Tool to put all other tools to rest! GrimmSpeed Subaru Lightweight Crank PulleyFits all Impreza/WRX/STi 1993-2011, Legacy 1994-2009, Forester 1998-2009 First of its kind tool that works with the 2 OEM Pulleys and GS Aftermarket Pulley Includes Plastic Washers (Won't Damage Surface) Uses l..

The Pulley Tool to put all other tools to rest! GrimmSpeed Subaru Lightweight Crank Pulley Fits all Impreza/WRX/STi 1993-2011, Legacy 1994-2009, Forester 1998-2009 First of its kind tool that works with the 2 OEM Pulleys and GS Aftermarket Pulley Includes Plastic Washers (Won't Damage Surface) Uses ..

a Rugged Solution For Mounting Exterior Lights Have you ever found yourself in a situation where your headlights just don't provide you with a bright enough light source? Driving down a backroad trail or setting up camp in the dark is downright dangerous and being prepared makes all the difference...

A Rugged Solution For Mounting Exterior Lights Have you ever found yourself in a situation where your headlights just don't provide you with a bright enough light source? Driving down a backroad trail or setting up camp in the dark is downright dangerous and being prepared makes all the differe..

a Rugged Solution For Mounting Exterior Lights Have you ever found yourself in a situation where your headlights just don't provide you with a bright enough light source? Driving down a backroad trail or setting up camp in the dark is downright dangerous and being prepared makes all the difference...

Replace your worn or leaking OEM donut gasket with this fiber-reinforced graphite donut gasket at a fraction of the cost. Applications:Replaces Subaru part number 44022AA123..

100 Percent Thicker than OEM Gaskets! Our new 2X Thick 3 Inch 2-Bolt gasket is hands down the Most beefy 3 Inch 2-Bolt gasket on the market. 12 Layers! Tired of the endless searching for a 3 Inch 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3 Inch 2 bol..

An amazing 7 Layers! GrimmSpeed OEM Style Gasket, better than OEM at an attractive price.Tired of the endless searching for a 3 Inch 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3 Inch 2 bolt gasket, however, a quality 3 Inch 2 bolt style gasket is near..

The turbo to O2 housing Seal is absolutely critical on Evo models. This gasket is known to create leaking issues that can be a bear to track down and a big annoyance! Do yourself a favor and get a super thick metal gasket that has a beefy fire-ring and plenty of Layers to Seal even the Most stubborn..

This dry element intake filter is dimensionally identical to the oiled air filters that are Included with the GrimmSpeed WRX/STI/BRZ/FRS/LGT Intakes. The filter uses a high-flowing dry element which some people prefer Over oiled and some regions require. Since dry flow media is slightly more restric..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that No..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that No..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that No..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that No..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox t..

Better Flow, More Power! At GrimmSpeed we know that Not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to increase power with no tuning required. We worked hard to develop a direct replacement, dry-element air filter for the stock airbox that No..

It's Time to Ditch Those Nasty Yellow Caps It's a simple fact: The yellow OEM Subaru engine bay caps are just plainВ UGLY. They don't match anythingВ around them and they stick out like a sore thumb whenever your hood is popped. We aimed to come up with a solution to maintain the simplicity of ..

It's Time to Ditch Those Nasty Yellow Caps It's a simple fact:В The yellow OEM SubaruВ engine bay caps are just plain Ugly. They don't match anything around them and they stick out like a sore thumb whenever your hood is popped. We aimed to come up with a solution to maintain the simplicity of ..

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 the industry because of the detail oriented approached that we put into their development. When it comes to improving on an OEM Design, this atte..

A full EWG set-up consists of an EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full EWG set-up can be a very expensive project if you are on a tight budget. The GrimmSpeed External Wastegate Block-Off Plat..

A full EWG set-up consists of an EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool because it can utilize the exhaust gas more efficiently; however, the full EWG set-up can be a very expensive project if you are on a tight budget. The GrimmSpeed External Wastegate Block-Off Plat..

An amazing 12 Layers! GrimmSpeed OEM Style Gasket, better than OEM quality at an attractive price. 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. The issue with the Most exhaust gaskets (including OEM) i..

GrimmSpeed OEM Style Gasket, better than OEM quality at an attractive price. 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. The issue with the Most exhaust gaskets (including OEM) is that even if they're..

Love the raw sound of your car in sport mode and want it 24/7? Have an aftermarket exhaust that doesn't utilize the exhaust valve? Have you disconnected your exhaust valve actuators and now you can't select different drive modes? Then the GrimmSpeed Exhaust Valve Simulator is for you. The EVS is an ..

OEM Quality, Aftermarket Look GrimmSpeed has set the standard Not only for creating high quality performance upgrades, but also aesthetic parts. Now we're proud to introduce THE go-to fender flare kit for your 2018+ Crosstrek from TRAILS by GrimmSpeed. These kits include everything you need to take ..

OEM Quality, Aftermarket Look GrimmSpeed has set the standard Not only for creating high quality performance upgrades, but also aesthetic parts. Now we're proud to introduce THE go-to fender flare kit for your 2020+ Outback from TRAILS by GrimmSpeed. These kits include everything you need to take yo..

The shrouds you didn't know you needed! The original GrimmSpeed Fender Shrouds for the 15 chassis were SUCH a big hit that we decided to introduce a unique set for 08-14 WRX and STI owners! If you've never taken a look at the huge gap between the inside of your front fenders and frame, be prepaRED t..

The shrouds you didn't know you needed! The original GrimmSpeed Fender Shrouds for the 15 chassis were SUCH a big hit that we decided to introduce a unique set for 08-14 WRX and STI owners! If you've never taken a look at the huge gap between the inside of your front fenders and frame, be prepared t..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stan..

The shrouds you didn't know you needed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the BRAND NEW GrimmSpeed Fender Shrouds for the 15-21 WRX/STI (sold as a pair). These Fender Shrouds are each made from a single piece of lightweight aluminum, CNC l..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stan..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stan..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay sta..

The shrouds you didn't know you needed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the Brand New GrimmSpeed Fender Shrouds for the 15-21 WRX/STI (sold as a pair). These Fender Shrouds are each made from a single piece of lightweight aluminum, CNC l..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stan..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay st..

The shrouds you didn't know you needed! With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stan..

The shrouds you didn't know you needed! Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the Brand GrimmSpeed Fender Shrouds for the 15-21 WRX/STI (sold as a pair). These Fender Shrouds are each made from a single piece of lightweight aluminum, CNC laser..

Adapt your GrimmSpeed 08-14 WRX Front Mount Intercooler for use with STI-Style OEM or aftermarket turbochargers! Looking to upgrade to new turbo options for your 2008-14 WRX? Thinking about getting, or already have a GrimmSpeed Front Mount Intercooler Kit? This adapter hose will allow you to swap ou..

As with other FMIC kits, the GrimmSpeed Front Mount Intercooler requires the removal of your factory bumper beam in order to fit its massive core. The factory bumper beam aids in chassis rigidity and adds reinforcement to your factory bumper cover. To help keep chassis deflection at bay and to keep ..

As with other FMIC kits, the GrimmSpeed Front Mount Intercooler requires the removal of your factory bumper beam in order to fit its massive core. The factory bumper beam aids in chassis rigidity and adds reinforcement to your factory bumper cover. To help keep chassis deflection at bay and to keep ..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safety..

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 maintained the delicate balance of low pressure drop and high temperature rejection, which is vital to safet..