GrimmSpeed Car Performance Parts

GrimmSpeed
  • GrimmSpeed® - Front License Plate Delete
    GrimmSpeed®Front License Plate Delete
    0
    # sp154355
    Front License Plate Delete by GrimmSpeed®. So after you get their License Plate Relocation kit you are left with some unsightly holes in your front bumper. Fortunately for you GrimmSpeed have come to the rescue with a sleek and stylish...
    Perfect Slim Fit!Mounts to drilled USDM-spaced license plate holes (Does not work with molded JDM plate holes)
    $40.00
  • GrimmSpeed® - License Plate Relocation Kit
    GrimmSpeed®License Plate Relocation Kit
    0
    # sp134449
    License Plate Relocation Kit by GrimmSpeed®. License plates are a necessary evil on the front of their cars, but you can save your front bumper from looking boring or blocking flow to your FMIC with the GrimmSpeed License Plate...
    Most adjustability available on the market!Mounts in OEM tow hook location (No cutting or drilling required)
    $79.00
  • GrimmSpeed® - Alternator Cover
    GrimmSpeed®Alternator Cover
    0
    # sp164799
    Alternator Cover by GrimmSpeed®. Designed utilizing the latest technology, this product by GrimmSpeed features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...
    Laser Cut Venting - provides plenty of cooling for your alternatorMachined Aluminum Mounts - anodized black for a sleek look and corrosion resistance
    $89.00 - $99.00
  • GrimmSpeed® - Phenolic Thermal Spacer
    GrimmSpeed®Phenolic Thermal Spacer
    0
    # sp228908
    Phenolic Thermal Spacer by GrimmSpeed®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use the...
    Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions
    $79.00
  • GrimmSpeed® - Throttle Body Gasket
    GrimmSpeed®Throttle Body Gasket
    0
    # sp265953
    Throttle Body Gasket by GrimmSpeed®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on their website. Manufactured using the highest grade materials and the latest technology, they...
    Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency
    $9.00 - $16.00
  • GrimmSpeed® - Front Mount Intercooler
    GrimmSpeed®Front Mount Intercooler
    0
    # sp241872
    Front Mount Intercooler by GrimmSpeed®. So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘man for the job’, they think...
    Smooth End Tank Internal Contours - Designed for maximum flowMachined Throttle Body Connection - Tight, leak and trouble-free seal
    $1,679.00
  • GrimmSpeed® - Top Mount Intercooler
    GrimmSpeed®Top Mount Intercooler
    0
    # sp186747
    Top Mount Intercooler by GrimmSpeed®. So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right ‘man for the job’, they think it’s important...
    Smooth End Tank Internal Contours - Designed for maximum flowMachined Throttle Body Connection - Tight, leak and trouble-free seal
    $889.00 - $1,679.00
  • GrimmSpeed® - VF Series™ Turbo Wastegate Bracket
    GrimmSpeed®VF Series™ Turbo Wastegate Bracket
    0
    # sp186750
    VF Series™ Turbo Wastegate Bracket by GrimmSpeed®. the internal wastegate (iwg) bracket is used in place of the stock wastegate actuator when moving to an external wastegate setup. in the previous years subary owners had to weld the...
    Expertly made from sturdy materialsMade to help enhance the performance of your vehicle
    $35.00
  • GrimmSpeed® - Air Oil Separator
    GrimmSpeed®Air Oil Separator
    0
    # sp258508
    Air Oil Separator by GrimmSpeed®. An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system. The GrimmSpeed™ Air/Oil Separator for Subaru vehicles...
    Expertly made from sturdy materialsMade to help enhance the performance of your vehicle
    $299.00
  • GrimmSpeed® - Downpipe
    GrimmSpeed®Downpipe
    0
    # sp183751
    Downpipe by GrimmSpeed®. A downpipe is one of the first modifications that should be done on your car, as the OEM downpipe contains two very restrictive catalytic converters. Replacing these with single high-flow unit will dramatically...
    Proudly made in the USA - Design, Materials and FabricationInnovative 3-D Contour Flange (Limited models only)
    $739.00 - $859.00
  • GrimmSpeed® - Downpipe Donut Gasket
    GrimmSpeed®Downpipe Donut Gasket
    0
    # sp238897
    Downpipe Donut Gasket by GrimmSpeed®. GrimmSpeed OEM Style Gasket, OEM quality without the high OEM price. At GrimmSpeed the professionals have worked with endless amounts of aftermarket gaskets, none seem to work as well as the...
    100% Thicker than OEM Gaskets304 Stainless Steel Fire-Ring
    $16.00
  • GrimmSpeed® - Boost Controll Solenoid Cover
    GrimmSpeed®Boost Controll Solenoid Cover
    0
    # sp234222
    Boost Controll Solenoid Cover by GrimmSpeed®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
    Made with precision and quality in mindDesigned to meet your specific needs
    $55.00 - $59.00
  • GrimmSpeed® - Electronic Boost Control Solenoid
    GrimmSpeed®Electronic Boost Control Solenoid
    0
    # sp139401
    Electronic Boost Control Solenoid by GrimmSpeed®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Users can use AN fittings with the solenoidMAC Valve has completely custom made the valve for us(only MAC valve on the market to be custom made for automotive tuning use)
    $129.00
  • GrimmSpeed® - Manual Boost Controller
    GrimmSpeed®Manual Boost Controller
    0
    # sp139405
    Manual Boost Controller by GrimmSpeed®. Welcome to the most refined manual boost controller available on the market today. During development, GrimmSpeed worked hand in hand with tuners across the country to develop this device and...
    250 steps of adjustment - High-resolution control16 clicks per revolution - Facilitates exact adjustment
    $109.00
  • GrimmSpeed® - Dry-Con Air Filter
    GrimmSpeed®Dry-Con Air Filter
    0
    # sp251676
    Dry-Con Air Filter by GrimmSpeed®. Make your engine function at its full efficiency by choosing from their comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use the most...
    Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions
    $59.00
  • GrimmSpeed® - MAF Block Off Plate
    GrimmSpeed®MAF Block Off Plate
    0
    # sp146528
    MAF Block Off Plate by GrimmSpeed®. Make sure your engine breathes properly with their selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the latest...
    Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service
    $42.00 - $49.00
  • GrimmSpeed® - Front Mount Air to Air Intercooler Kit
    GrimmSpeed®Front Mount Air to Air Intercooler Kit
    0
    # sp253993
    Front Mount Air to Air Intercooler Kit by GrimmSpeed®. Designed utilizing the latest technology, this Manual Boost Controller by GrimmSpeed features premium quality and will perform better than advertised. Perfect for your vehicle and...
    Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
    $85.00 - $1,559.00
  • GrimmSpeed® - Strut Tower Brace
    GrimmSpeed®Strut Tower Brace
    0
    # sp129964
    Strut Tower Brace by GrimmSpeed®. Upgrade your suspension system with this top-grade performance suspension components to enjoy a smooth vibration-free ride. Designed with high-speed riding enthusiasts in mind, this premium tune-up will...
    Designed to provide a superior driving experience on any road surfaceDelivers better traction and control for improved acceleration and cornering at high RPM’s
    $140.00
  • GrimmSpeed® - Black Stealthbox Air Intake Kit
    GrimmSpeed®Black Stealthbox Air Intake Kit (060060)
    0
    # mpn4497962104
    Black Stealthbox Air Intake Kit (060060) by GrimmSpeed®. Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of cse performance is the highest priority, but...
    Plus 32wtq (14.3%) and +21whp (9.6%)Designed in CAD - Perfect mating with the factory turbo and ram-air scoop
    $399.00
  • GrimmSpeed® - Black Stealthbox Air Intake Kit
    GrimmSpeed®Black Stealthbox Air Intake Kit (060077)
    0
    # mpn4497962097
    Black Stealthbox Air Intake Kit (060077) by GrimmSpeed®. Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of cse performance is the highest priority, but...
    Plus 32wtq (14.3%) and +21whp (9.6%)Designed in CAD - Perfect mating with the factory turbo and ram-air scoop
    $349.00
  • GrimmSpeed® - Red Cold Air Intake Kit
    GrimmSpeed®Red Cold Air Intake Kit (060072)
    0
    # mpn4497962038
    Red Cold Air Intake Kit by GrimmSpeed®. Make your engine function at its full efficiency by choosing from their comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use the...
    Hybrid Cold Air/Short Ram Design - Combining the advantages and eliminating the negatives of both traditional intake designsAir straightener - Dimensionally mimics the factory configuration for accurate MAF sensor readings
    $349.00
  • GrimmSpeed® - Red Stealthbox Air Intake Kit
    GrimmSpeed®Red Stealthbox Air Intake Kit (060067)
    0
    # mpn4497962103
    Red Stealthbox Air Intake Kit (060067) by GrimmSpeed®. Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of cse performance is the highest priority, but at...
    Plus 32wtq (14.3%) and +21whp (9.6%)Designed in CAD - Perfect mating with the factory turbo and ram-air scoop
    $399.00
  • GrimmSpeed® - Red Stealthbox Air Intake Kit
    GrimmSpeed®Red Stealthbox Air Intake Kit (060078)
    0
    # mpn4497962098
    Red Stealthbox Air Intake Kit (060078) by GrimmSpeed®. Inspiration for the StealthBox Intake came from internal discussions about what we wanted from an intake system for the 2015+ WRX. Of cse performance is the highest priority, but at...
    Plus 32wtq (14.3%) and +21whp (9.6%)Designed in CAD - Perfect mating with the factory turbo and ram-air scoop
    $349.00
  • GrimmSpeed® - 304 SS Exhaust Gasket (3" ID)
    GrimmSpeed®304 SS Exhaust Gasket (3" ID) (Gasket-022001)
    0
    # mpn4497962118
    Universal 304 SS Exhaust Gasket by GrimmSpeed®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Made to provide unequaled quality and reliabilityMade with the use of the latest technologies
    $22.00
  • GrimmSpeed® - Black Ceramic Coated HiFlow Exhaust Manifold Crosspipe
    GrimmSpeed®Black Ceramic Coated HiFlow Exhaust Manifold Crosspipe (002002)
    0
    # mpn4497962010
    Black Ceramic Coated HiFlow Exhaust Manifold Crosspipe by GrimmSpeed®. Subaru supplies its turbo owners with a tiny little crosspipe from the factory. 50% of your exhaust gasses are passing through this tiny pipe and, well, that's just...
    Boost transition is improved over stockHelps airflow in the mid to high rpm range
    $269.00
  • GrimmSpeed® - Exhaust Gasket
    GrimmSpeed®Exhaust Gasket (Gasket-020031)
    0
    # mpn4497962058
    Exhaust Gasket by GrimmSpeed®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Made to provide unequaled quality and reliabilityMade with the use of the latest technologies
    $23.00
  • GrimmSpeed® - Radiator Hose Kit
    GrimmSpeed®Radiator Hose Kit (405328)
    0
    # mpn4846414121
    Radiator Hose Kit by GrimmSpeed®. Finish: Red. GrimmSpeed has always been synonymous with top-notch parts manufacturing and superior quality, developing parts that can handle whatever you throw at them. Things are no different when it...
    5-ply silicone construction3D scanned for perfect fit
    $110.00
  • GrimmSpeed® - Radiator Hose Kit
    GrimmSpeed®Radiator Hose Kit (405329)
    0
    # mpn4846414117
    Radiator Hose Kit (405329) by GrimmSpeed®. Finish: Red. GrimmSpeed has always been synonymous with top-notch parts manufacturing and superior quality, developing parts that can handle whatever you throw at them. Things are no different...
    5-ply silicone construction3D scanned for perfect fit
    $110.00
  • GrimmSpeed® - Radiator Hose Kit
    GrimmSpeed®Radiator Hose Kit (405325)
    0
    # mpn4846414109
    Radiator Hose Kit (405325) by GrimmSpeed®. Finish: Black. GrimmSpeed has always been synonymous with top-notch parts manufacturing and superior quality, developing parts that can handle whatever you throw at them. Things are no...
    5-ply silicone construction3D scanned for perfect fit
    $110.00
  • GrimmSpeed® - Radiator Hose Kit
    GrimmSpeed®Radiator Hose Kit (405326)
    0
    # mpn4846414102
    Radiator Hose Kit by GrimmSpeed®. Finish: Red. GrimmSpeed has always been synonymous with top-notch parts manufacturing and superior quality, developing parts that can handle whatever you throw at them. Things are no different when it...
    5-ply silicone construction3D scanned for perfect fit
    $110.00




Launched in 2006 in Minneapolis, Minnesota, GrimmSpeed is a small group of highly dedicated automotive enthusiasts who are committed to providing car junkies with innovative and precision-engineered products. The brand was started in a small garage from making premium-quality aftermarket parts for Subaru. As GrimmSpeed grew, it began manufacturing products for Mitsubishi, MazdaSpeed, and Hyundai, and since then has developed a comprehensive portfolio, covering a wide variety of vehicles. From power packages to exhaust systems and brakes, GrimmSpeed ticks all the boxes when it comes to a mind-blowing upgrade.

Driven by an ongoing thirst for innovation and never-ending passion for everything automotive, GrimmSpeed has turned into a dream car parts business. The brand takes great pride in years of ingenious manufacturing experience, design and engineering expertise, and profound knowledge in the anatomy of exhaust systems, boost controllers, gaskets, pullies, and anything in-between. Thanks to state-of-the-art technology and roll-up-their-sleeves attitude, GrimmSpeed vigorously stepped into the world of aftermarket to power the vehicle’s of today and tomorrow and succeed.

GrimmSpeed has carved a niche for itself as an indisputable leader on the aftermarket arena by creating top-of-the-line car tune-ups worthy of the finest cars in the world. Innovation is the backbone of everything the brand does. GrimmSpeed gathered a team of skillful designers and engineers who truly live, love, and breathe the world of cars. They’re masters of automotive crafts with unwavering commitment to technology, which allows them to create out-of-the-box products through using better materials, thicker flanges, thicker piping, or anything in-between that will keep them at the competitive edge. At GrimmSpeed, they’re passionate about making the products that really work. They don’t makes copy cats, but strive to make a fine work of art through using completely new ideas or innovating current products on the market shelf.

Leading the pack in design and technology, GrimmSpeed has set the standard of excellence in quality and dependability. The brand showcases an innovative line of performance exhaust systems, including everything from complete cat-back exhaust systems to external wastegate uppipes, downpipes and manifold crosspipes to exhaust adapters to adjust your vehicle’s sound and performance from mild to wild. GrimmSpeed also offers such parts as phenolic thermal spacers, exhaust manifold to turbo gaskets, Y-pipe gaskets, and more. They last longer than OEM and will give you an added performance boost. The brand is also proud to introduce its over-the-top intakes with high-flow CNN low-bent angle and laser cut aluminum tubes to minimize restriction and boost performance, protected MAF sensor placement for accurate reading and protection from heat.

GrimmSpeed showcases a variety of well-rounded power packages, including all the components needed for having your your ride tuned up to massive performance gains. With these kits, you can get tremendous boosts in horsepower and torque and superior boost control, as well as a more aggressive street presence. You can get a complete tuning kit, or a separate upgrade, such as an electronic boost controller with millions of miles of real world testing and an innovative mounting solution to build your boost more quickly and more efficiently. It’s a must-have especially when it comes to professional tuning that’s trusted by tens of hundreds of tuners around the world and appreciated by car aficionados. GrimmSpeed’s line of performance intercooler parts includes top-mount intercoolers, charge pipe kits, turbo outlet hoses, dyno ducts to feed your beast under the hood with power-building air and make it run cooler and more efficiently. They’re perfect for a high-performance vehicle, hot environments and regularly overheating engines, providing more pulling power and maximum cooling.

GrimmSpeed Reviews

1 review
5 of 5
No More Power Dip
The installation was actually really easy and fun, due to just how beautiful the intake looks in the engine bay. The power dip in 3rd gear was completely gone, the car feels almost like a different animal now, definitely recommend.
Posted by Brandon (Maryville, TN) / June 11, 20202013 Scion FR-S
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