Products

Part Number: 060071 For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart fr...

Part Number: 060067 Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ W...

Part Number: 060091 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060052 Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with an...

Part Number: 060077 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 of as a ...

Part Number: 060078 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 of as a ...

Part Number: 060072 For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart fr...

Part Number: 060074 It’s no secret that GrimmSpeed intakes feature performance and aesthetics that lead the pack. With years of design theories and...

Part Number: 060094 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060092 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060089 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060093 At GrimmSpeed we know that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and eas...

Part Number: 060054 Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with an...

Part Number: 095011 The long awaited answer to the antique Subaru pulley removal tool, bolts stuck through boards, and random screws welded to bars...

Part Number: 038007 Each knob is machined from Delrin/Duracon, an extremely durable thermoplastic, right here in Minnesota. Each knob weighs 120g, ...

Part Number: 007098 Proudly made in the USA - Design, Materials and Fabrication Innovative 3-D Contour Flange (Limited models only) FARO™ Arm Desig...

Part Number: 020099 Replace your worn or leaking OEM donut gasket with this fiber-reinforced graphite donut gasket at a fraction of the cost. Appli...

Part Number: 007082 A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive...

Part Number: Gasket-076001 100% Thicker than OEM Gaskets!! Our new 2X Thick 3" 2-Bolt gasket is hands down the most beefy 3" 2-Bolt gasket on the m...

Part Number: 057041 If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered...

Part Number: 057027 The GrimmSpeed™ MazdaSpeed 6 Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will n...

Part Number: 057001 GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo S...

Part Number: 057002 GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo S...

Part Number: 057032 GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo S...

Part Number: 057007 GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost Solenoid for available for all turbo S...

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: 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...