Products

The OEM Subaru crank pulley has been a cause for concern ever since its original design. It is extremely heavy, susceptible to catastrophic fai...

If style and function is what you want under the hood of your BRZ the Grimmspeed Pulley cover with tool tray is the perfect accessory. The Grimmspe...

If style and function is what you want under the hood of your BRZ the Grimmspeed Pulley cover with tool tray is the perfect accessory. The Grimmspe...

Tired of being teased for your boring engine bay? Did you replace your stock TMIC with one that doesn't facilitate the use of the stock engine cove...

Tired of being teased for your boring engine bay? Did you replace your stock TMIC with one that doesn't facilitate the use of the stock engine cove...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM coolant hoses. As your Subaru ages and th...

GrimmSpeed Radiator Shrouds are made from CNC laser cut and bent aluminum and covered in a very durable wrinkle powder coat finish with screen-p...

GrimmSpeed Radiator Shrouds are made from CNC laser cut and bent aluminum and covered in a very durable wrinkle powder coat finish with screen-p...

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 after all of these y...

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 after all of these y...

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 after all of these y...

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 after all of these y...

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

The GrimmSpeed engineering and manufacturing teams are known for designing and producing products that use high quality materials, offer perfect fi...

The GrimmSpeed engineering and manufacturing teams are known for designing and producing products that use high quality materials, offer perfect fi...

The GrimmSpeed shift boot retainer will hold your shift boot in place around the base of the shift knob. This is meant for Subaru 5 speed owners th...

GrimmSpeed Stealthbox Cold Air Intake System    Introduction Inspiration for the StealthBox Intake came from internal discussions about what we wan...

GrimmSpeed Stealthbox Cold Air Intake System  Introduction  Inspiration for the StealthBox Intake came from internal discussions about what we want...

GrimmSpeed Stealthbox Cold Air Intake System    Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an i...

GrimmSpeed Stealthbox Cold Air Intake System   Introduction   Inspiration for the StealthBox Intake came from internal discussions about what we wa...

GrimmSpeed has released the new Strut Tower Brace for the BRZ, which they have spent months collecting numerous data and measuring the performance ...

GrimmSpeed has released the new Strut Tower Brace for the BRZ, which they have spent months collecting numerous data and measuring the performance ...

So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘...

You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘man ...

High-quality black silicone replacement TMIC Y-Pipe Hoses. Is your old 90 degree TMIC coupler all chewed up from years of use? Is it dirty and oil-...

High-quality red silicone replacement TMIC Y-Pipe Hoses. Is your old 90 degree TMIC coupler all chewed up from years of use? Is it dirty and oil-co...

So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘...

You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘man ...

Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tanks, large bar and pl...

Adapt your 08-14 WRX TMIC for use with aftermarket and 'sti-style' turbos! Constructed using a 5-ply process and high quality silcione material, th...

Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring cast aluminum end tanks, large bar and pl...