At GrimmSpeed, we pride ourselves in the design of our aesthetic pieces just as much as our performance parts.
How many times have you lost a wrench or socket in your engine bay? Yeah, that s what I thought, too many to count.
How many times have you lost a wrench or socket in your engine bay? Yeah, that s what I thought, too many to count.
How many times have you lost a wrench or socket in your engine bay? Yeah, that s what I thought, too many to count.
Perfect size and weight for the perfect shift, every time. The standard GrimmSpeed Shift Knob is one of the most popular in the Subaru aftermarket for a reason. They are the...
Simplify your 2015-17 STI engine bay with The GrimmSpeed Sound Generator Plug Kit. The stock sound generator is an unnecessary system that contributes to a cluttered engine bay...
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 hybrid of the tube and filter used in the 08-14...
Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of course performance is the highest priority,...
Constructed using a 5-ply process and high quality silcione material, this coupler will enable you to utilize a stock location, sti or aftermarket turbo on your 08-22 WRX or...
You ve probably read somewhere on the internet that a strut tower brace never does anything but look pretty. You re about to read otherwise. Armed with a strong background in...
You ve probably read somewhere on the internet that a strut tower brace never does anything but look pretty. You re about to read otherwise.
The GrimmSpeed Charge Pipe Kit replaces the restrictive stock plastic unit on the FA20-powered WRX with larger diameter CNC mandrel bent aluminum tubing and custom formed silicone.
Is your old 90 degree TMIC coupler all chewed up from years of use?Is it dirty and oil-covered? Looking to just add a bit of color to your engine bay? We have the solution!
Just bought an aftermarket or STI TMIC that requires an STI Y-Pipe to fit? Want to replace your chewed up and leaking couplers?
With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Outback owners under the all new TRAILS by GrimmSpeed!
With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed!
With the popularity of our 08-21 WRX/STI Fender Shrouds, it was only a matter of time before we introduced something for Crosstrek owners under the all new TRAILS by GrimmSpeed!
One of the best ways to stand out is to get rid of your ugly, plastic OEM pulley cover in favor of the TRAILS by GrimmSpeed aluminum version! This cover mounts securely in place...
One of the best ways to stand out is to get rid of your ugly, plastic OEM pulley cover in favor of the TRAILS by GrimmSpeed aluminum version! This cover mounts securely in place...
One of the best ways to stand out is to get rid of your ugly, plastic OEM pulley cover in favor of the TRAILS by GrimmSpeed aluminum version! This cover mounts securely in place...
One of the best ways to stand out is to get rid of your ugly, plastic OEM pulley cover in favor of the TRAILS by GrimmSpeed aluminum version! This cover mounts securely in place...
At GrimmSpeed, we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new TRAILS Radiator Shroud for the Subaru Crosstrek is...
At GrimmSpeed, we pride ourselves in the design of our aesthetic pieces just as much as our performance parts. The brand new TRAILS Radiator Shroud for the Subaru Crosstrek is...
The GrimmSpeed MazdaSpeed 3 Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because...