GrimmSpeed

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

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: 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: 070033 With so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We'...

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

Part Number: 126022.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126024.2 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126024.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 126023.1 The long-awaited GrimmSpeed Bypass Valves are here! Our passion for building the most robust, best-performing parts on the ma...

Part Number: 125026 One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inle...

Part Number: 125027 One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inle...

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

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