GrimmSpeed

Part Num: 057028 The MOST COMPLETE AND BEST PERFORMING MazdaSpeed BCS Ever Built, Period. Get into Boost Much Quicker (Flows 10% more than competit...

Part Number: 113008 Over the years, GrimmSpeed has proven that our exhaust products are some of the highest-quality and best-performing in the indu...

Part Number: 008008 A full External Wastegate (EWG) set-up consists of a EWG up-pipe and a wastegate. The EWG set-up creates better turbo spool bec...

Part Number: Gasket-020001 GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed™ we have worked with endless amounts...

Part Number: Gasket-027001 GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price. FINALLY you have an option for an extra thick Exha...

Part Number: 040005 When it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some t...

Part Number: 040026 When it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie, we have you covered. After some t...

Part Number: 001001 Subaru supplies its turbo owners with a tiny little crosspipe from the factory. 50% of your exhaust gasses are passing through ...

Part Number: Gasket-023001 GrimmSpeed™ does it again! Introducting our enlarged bore Intake Manifold to TGV gaskets. Why do you want the enlarged b...

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

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