Products

Part Number: 095015BK In our opinion, the OEM Subaru crank pulley has been a cause for concern ever since its original design. It is relatively hea...

Part Number: 007097 Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Desig...

Part Number: 053001 When you upgrade your Subaru to a Blow Through System you will need a way to block off the location where the old MAF Sensor wa...

Part Number: 070002 Welcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand w...

Part Number: Gasket-020003 The exhaust manifold to turbo connection is one of the most important connections in the engine bay. This gasket is know...

Part Number: 019001 Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake ...

Part Number: 122005 The factory pitch stop mount is often overlooked and leaves a lot of room for improvement, both in performance and aesthetics. ...

Part Number: 125023.1 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 125023.2 Our post MAF hose construction improves on OE with 2 main features: First is the smooth inner surface, removing the pockets f...

Part Number: 125009 Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out ...

Part Number: 125010 Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out ...

Part Number: 099051 Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate the use of the stock...

Part Number: 099040 Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate the use of the stock...

Part Number: 099043 Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate the use of the stock...

Part Number: 099017 Tired of being teased for your corroded alternator and boring engine bay? Step your Alternator Cover game up; GrimmSpeed has ju...

Part Number: 099031 Booya! Add a bit of style and function to your engine bay with this simple but elegant and first of it's kind pulley cover, fea...

Part Number: 405323 Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As you...

Part Number: 405326 Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As you...

Part Number: 096008 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 096009 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 096030 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 096032 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 096006 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 096039 At GrimmSpeed we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new Gri...

Part Number: 096042 At GrimmSpeed we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new Gri...

Part Number: 096048 Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the BRAND NEW GrimmSpeed Fender ...

Part Number: 096049 Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the BRAND NEW GrimmSpeed Fender ...

Part Number: 096058 If you’ve never taken a look at the huge gap between the inside of your front fenders and frame, be prepared to be disappointed...

Part Number: 096059 If you’ve never taken a look at the huge gap between the inside of your front fenders and frame, be prepared to be disappointed...

Part Number: 096005 How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally aft...

Part Number: 191004 The beauty of the GrimmSpeed Staged Power Packages is that all of the included components were designed and tested to work well...

Part Number: 038006 Each knob is machined from solid 304 stainless steel rod right here in Minnesota and weighs in at 675g. Each shift knob also re...

Part Number: 077046 Exhaust leaks seem to be an all-too-common issue with most modded Subarus. They tend to spring up out of nowhere and cause hour...

Part Number: Gasket-032001 Not much to say here. Just a set of GrimmSpeed™ TGV to engine gaskets. get them while they are hot. Applications WRX '02...

Part Number: 120014C Kick out your old oil cap and tell it to hit the streets, we have a sleeker, much more attractive version to shine up your eng...

Part Number: 120014Y Kick out your old oil cap and tell it to hit the streets, we have a sleeker, much more attractive version to shine up your eng...

Part Number: 090096 Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The...

Part Number: 090001 So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to s...

Part Number: 090024 So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to s...

Part Number: 090010 You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selec...

Part Number: 090095 Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The...

Part Number: 090027 You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selec...

Part Number: 090070 Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tan...

Part Number: 090109 These 5-ply silicone couplers are fiber reinforced to prevent distortion in high boost scenarios but offer mobility and flexibi...

Part Number: 090108 These 5-ply silicone couplers are fiber reinforced to prevent distortion in high boost scenarios but offer mobility and flexibi...

Part Number: 093128 These have both been a long time in the making and as the popularity of GrimmSpeed intercooler offerings has skyrocketed, we've...

Part Number: Gasket-028001 7 STAINLESS STEEL LAYERS GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed we have work...