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    GrimmSpeed Performance Parts for WRX, STI & More

    306 Results

    GrimmSpeed Boost Control Solenoid - Subaru Models (inc. 2008-2014 WRX / 2005-2009 Legacy GT)

    95 In Stock

    057032

    GrimmSpeed Boost Control Solenoid - Subaru Models (inc. 2008-2014 WRX / 2005-2009 Legacy GT)

    4.8(23)
    $136.00
    GrimmSpeed Boost Control Solenoid - 2007-2013 Mazdaspeed3

    38 In Stock

    057028

    GrimmSpeed Boost Control Solenoid - 2007-2013 Mazdaspeed3

    5.0(3)
    $136.00
    GrimmSpeed FMIC STI-Style Turbo Outlet Hose - 2008-2014 Subaru WRX

    7 In Stock

    090270

    GrimmSpeed FMIC STI-Style Turbo Outlet Hose - 2008-2014 Subaru WRX

    $90.00
    GrimmSpeed Billet Top Mount Intercooler - 2022-2024 Subaru WRX

    16 In Stock

    113049

    GrimmSpeed Billet Top Mount Intercooler - 2022-2024 Subaru WRX

    $899.00
    GrimmSpeed Intercooler Splitter - 2015-2021 Subaru WRX / STI w/Grimmspeed TMIC

    10 In Stock

    093128

    GrimmSpeed Intercooler Splitter - 2015-2021 Subaru WRX / STI w/Grimmspeed TMIC

    5.0(1)
    $247.00
    Grimmspeed High Lift Hood Struts - 2003-2008 Subaru Forester XT

    54 In Stock

    097025

    Grimmspeed High Lift Hood Struts - 2003-2008 Subaru Forester XT

    4.9(7)
    $146.00
    GrimmSpeed Alternator Cover (Red) - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT

    5 In Stock

    099017

    GrimmSpeed Alternator Cover (Red) - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT

    $94.00
    GrimmSpeed Pulley Cover - Black - 2022-2024 Subaru WRX

    16 In Stock

    113086BLK

    GrimmSpeed Pulley Cover - Black - 2022-2024 Subaru WRX

    $89.00
    Grimmspeed Top Mount Intercooler Silicone Coupler Kit Red - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    79 In Stock

    090108

    Grimmspeed Top Mount Intercooler Silicone Coupler Kit Red - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

    $151.25
    Grimmspeed Stubby Stainless Steel Shift Knob w/ 5SPD Boot Retainer - Subaru Models (inc. 2002-2014 WRX)

    95 In Stock

    038011-5SPD

    Grimmspeed Stubby Stainless Steel Shift Knob w/ 5SPD Boot Retainer - Subaru Models (inc. 2002-2014 WRX)

    5.0(1)
    $96.62
    Grimmspeed Top Mount Intercooler Charge Pipe Kit Red - 2015-2021 Subaru WRX

    35 In Stock

    090250

    Grimmspeed Top Mount Intercooler Charge Pipe Kit Red - 2015-2021 Subaru WRX

    $310.00
    GrimmSpeed Stubby Shift Knob - Stainless Steel Red - M12x1.25 - Manual Subaru/Ford

    80 In Stock

    380003

    GrimmSpeed Stubby Shift Knob - Stainless Steel Red - M12x1.25 - Manual Subaru/Ford

    $73.00
    02-07 WRX / 04-21 STI GrimmSpeed Air Oil Separator

    25 In Stock

    078006

    02-07 WRX / 04-21 STI GrimmSpeed Air Oil Separator

    $315.00
    GrimmSpeed Phenolic Thermal Spacer 8mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)

    61 In Stock

    019001

    GrimmSpeed Phenolic Thermal Spacer 8mm - Subaru Models (inc. 2004+ STI / 2002-2014 WRX)

    4.6(15)
    $63.00
    GrimmSpeed 4-Piston Brake Caliper Kit (340mm Rotor) - Gunmetal Gray - 2002-2021 Subaru WRX / STI

    GRM113422.1113.1.0.GRAY-KIT

    GrimmSpeed 4-Piston Brake Caliper Kit (340mm Rotor) - Gunmetal Gray - 2002-2021 Subaru WRX / STI

    $1,299.00
    Subaru 04 - 08 (inc. Forester) GrimmSpeed Dry-Con Performance Panel Air Filter

    18 In Stock

    060092

    Subaru 04 - 08 (inc. Forester) GrimmSpeed Dry-Con Performance Panel Air Filter

    $62.00
    GrimmSpeed Front Mount Intercooler Kit Black Core w/ Black Piping - 2015-2021 Subaru WRX / STI

    2 In Stock

    090257

    GrimmSpeed Front Mount Intercooler Kit Black Core w/ Black Piping - 2015-2021 Subaru WRX / STI

    $1,749.00
    GrimmSpeed Front Mount Intercooler Piping Kit Black  - 2008-2014 Subaru STI

    26 In Stock

    090223

    GrimmSpeed Front Mount Intercooler Piping Kit Black - 2008-2014 Subaru STI

    $680.00
    Grimmspeed Front Mount Intercooler Kit Black Core w/ Black Piping - 2008-2014 Subaru WRX / STI

    11 In Stock

    090252

    Grimmspeed Front Mount Intercooler Kit Black Core w/ Black Piping - 2008-2014 Subaru WRX / STI

    $1,749.00
    GrimmSpeed Exhaust Gasket Set - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    62 In Stock

    020042

    GrimmSpeed Exhaust Gasket Set - 2013-2021 Scion FR-S / Subaru BRZ / Toyota 86

    $83.00

    Page 1 of 16

    Founded in 2006, GrimmSpeed has established itself as a renowned name in the realm of performance parts, driven by a commitment to innovation and excellence. This company, led by a team of ardent car enthusiasts, was born out of a passion for delivering exceptional aftermarket products. Initially focused on Subaru WRX, GrimmSpeed's expanding team and engineering expertise have propelled it into catering to Mitsubishi, Ford, MazdaSpeed, and Hyundai markets.

    The journey began humbly, operating out of a single-stall townhouse garage in Maplewood, Minnesota. Over time, GrimmSpeed has transformed from a garage startup into a thriving business, offering a diverse range of high-quality products designed to elevate vehicle performance. From intercoolers and exhaust systems to intakes, gaskets, engine pulleys, phenolic spacers, and boost controllers, GrimmSpeed has emerged as a trusted name for automotive enthusiasts.

    GrimmSpeed's decision-making process is guided by three fundamental principles:

    1. Innovation: Innovation is the cornerstone of GrimmSpeed's ethos. Every project undertaken by the company is required to feature at least one groundbreaking element. Whether introducing novel concepts or enhancing existing products, the team at GrimmSpeed is driven by an unwavering passion for creating products that not only function effectively but also leave a lasting impact on the enthusiast community.

    2. Keeping Jobs in America: GrimmSpeed is on a mission to contribute to the revival of manufacturing in the United States. A substantial portion of the company's manufacturing activities occurs within the country, reflecting its commitment to showcasing America's manufacturing prowess to the world. Most of GrimmSpeed's partners are conveniently located in Minnesota, many of them just an hour's drive away. For the company, it's not just about profit margins; it's about making a statement that high-quality products can still be produced on American soil.

    3. Customer Service Excellence: Recognizing the varying standards of customer service in today's world, GrimmSpeed has set out to redefine customer service. When dealing with GrimmSpeed, customers can expect a service that embodies honesty, transparency, and integrity. In the face of product delays, GrimmSpeed refuses to offer vague assurances but instead provides customers with the most up-to-date information available. Should customers require assistance with product installation, they will find GrimmSpeed just a phone call or email away, ready to assist until the issue is resolved. Keeping promises is non-negotiable for GrimmSpeed; when the company commits to calling back, customers can trust that the call will indeed be made.

    Here are a couple featured parts that really show GrimmSpeed's commiment to quality:

    Grimmspeed is famous (well famous in the subaru world) for their Bypass Valves. These come in Black or Red and do not require tuning. 

    Recently GrimmSpeed expanded thier line up of performance parts by adding WRX turbochargers.