Add horsepower and style under your hood with a PERRIN BRZ/86 Cold Air Intake. The PERRIN BRZ/86 intake has been designed with proper MAF alignment and tubing size to maintain proper air fuel ratios, eliminating...
Real 10whp gains in 30min with no tuning. Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with and without tuning. The intake...
Real 10whp gains in 30min with no tuning. Design requirements for this intake were simple: The intake must not only be safe for the engine, but perform well both with and without tuning. The intake...
Rejoice 3-Bolt Up Pipe owners, you finally have a great replacement gasket for your up pipes! We listened to your wants and made it happen. GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM...
Rejoice 3-Bolt Up Pipe owners, you finally have a great replacement gasket for your up pipes! We listened to your wants and made it happen.GrimmSpeed™ OEM Style Gasket, OEM quality without the high OEM price.At...
License plates are a necessary evil on the front of our cars, but you can save your front bumper from looking boring or blocking flow to your FMIC with the GrimmSpeed License Plate Relocation Kit....
License plates are a necessary evil on the front of our cars, but you can save your front bumper from looking boring or blocking flow to your FMIC with the GrimmSpeed License Plate Relocation Kit....
Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The elbow coupler is sized to fit multiple turbo setups, some trimming may be required. Is your old...
Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The elbow coupler is sized to fit multiple turbo setups, some trimming may be required. Is your old...
Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The elbow coupler is sized to fit multiple turbo setups, some trimming may be required. Is your old...
Direct (PSM) Platinum Silver Metallic Touch Up Paint!! NOTE: Paint can only be shipped in the lower 48 states and cannot be shipped in the air via USPS. Please select the Fedex or UPS Ground...
NOTE: Paint can only be shipped in the lower 48 states and cannot be shipped in the air via USPS. Please select the Fedex or UPS Ground shipping options only! Finally an answer to all...
NOTE: Paint can only be shipped in the lower 48 states and cannot be shipped in the air via USPS. Please select the Fedex or UPS Ground shipping options only! Stepping out with style, GrimmSpeed...
NOTE: Paint can only be shipped in the lower 48 states and cannot be shipped in the air via USPS. Please select the Fedex or UPS Ground shipping options only! Use this premium acrylic enamel...
We all know how bad (and expensive!) the OEM Subaru Top Mount Intercooler Gaskets can be. They are one of the greatest source of leaks in the entire intake stream. Fear not, GrimmSpeed has answered...
We all know how bad (and expensive!) the OEM Subaru Top Mount Intercooler Gaskets can be. They are one of the greatest source of leaks in the entire intake stream. Fear not, GrimmSpeed has answered...
Have you ever thought to yourself, "Man, Trent, you've got all of these awesome parts but how are you supposed to let your crew know you're coming?" Well, we're proud to introduce to you the GrimmSpeed...
Have you ever thought to yourself, "Man, Trent, you've got all of these awesome parts but how are you supposed to let your crew know you're coming?" Well, we're proud to introduce to you the GrimmSpeed...
When it comes to wiring the Hella Horns that are mounted to your beautiful GrimmSpeed BroTie Bracket, we have you covered. Don’t stress yourself with trying to make a Hella horn harness from scratch when...
The Next Level of Boost Control. Welcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand with tuners across the country to develop this device and...
The Next Level of Boost Control. Welcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand with tuners across the country to develop this device and...