GrimmSpeed Products - Low Boost Performance

BC Racing

Konig

Super Pro

Rotiform

BLOX Racing

COBB

Competition Clutch

Driveshaft Shop

ISC Suspension

Seibon

ISR Performance

ETS

Injen

MBRP

PERRIN

FuelTech

Haltech

Fuel Injector Clinic

K&N

HKS

View all Brands

BC Racing

Konig

Super Pro

Rotiform

BLOX Racing

COBB

Competition Clutch

Driveshaft Shop

ISC Suspension

Seibon

ISR Performance

ETS

Injen

MBRP

PERRIN

FuelTech

Haltech

Fuel Injector Clinic

K&N

HKS

GrimmSpeed

NRG

Enkei

Fuelab

Chase Bays

Hawk Performance

IAG

ESR Wheels

Advanced Clutch Technology

STM Tuned

Cusco

Eibach

AMS

Sparco

Whiteline

Varis

Mishimoto

Invidia

Tomioka

StopTech

FactionFab

Revel

Subaru OEM

Killer B Motorsport

OLM

Turbosmart

Rexpeed

Braum

Rally Armor

Radium Engineering

Torque Solutions

GReddy

JM Fabrications

Air Lift Performance

APR

Process West

South Bend Clutch

BOOMBA RACING

Yokohama Tire

aFe

Bride

Antigravity Batteries

Molded Innovations

Tomei

WeatherTech

Kartboy

Clutch Masters

Gram Lights

Turbo XS

Thule

AEM Electronics

Innovate Motosports

DeatschWerks

Injector Dynamics

Exedy

F1R

Forced Performance

JD Customs U.S.A

EBC Brakes

Verus Engineering

GSC Power-Division

DBA

Go Fast Bits

SPL Parts

Manley

Remark

Subaru JDM

Versus

ARK

AWE Tuning

Buddy Club

MOMO

Hella

Vibrant Performance

Brian Crower

XClutch

Brembo

Kelford Cams

Spyder

Akrapovic

View all Brands

Quick view Details

GrimmSpeed

Grimmspeed Air/Oil Separator WRX/STI/LGT/FXT

MSRP:

Now: $299.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 056001

GRIMMSPEED ANTENNA DELETE PLATE - SUBARU

MSRP:

Now: $29.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 113049BLK

Grimmspeed Billet Top Mount Intercooler Black 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness

MSRP:

Now: $899.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 113049

Grimmspeed Billet Top Mount Intercooler Raw 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness

MSRP:

Now: $899.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 057002

GrimmSpeed Boost Control Solenoid 2006-2007 Subaru WRX / 2004-2007 STI/ 2004-2008 Forester XT

MSRP:

Now: $129.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 057047

GrimmSpeed Boost Solenoid Adapter | 2015-2018 Subaru WRX

MSRP:

Now: $39.00

Add to Cart
Compare
Quick view Details

GrimmSpeed

GrimmSpeed BRZ FR-S Pully Cover with Tool Tray

MSRP:

Now: $89.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 070045

GrimmSpeed Catback Exhaust System Resonated WRX/STI Hatchback 2008-2014

MSRP:

Now: $1,379.00

Add to Cart
Compare
Quick view Details

GrimmSpeed

GRIMMSPEED CHARGE PIPE KIT - 15-21 WRX

MSRP:

Now: $295.00

Choose Options
Compare
Quick view Details

GrimmSpeed

GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent

MSRP:

Now: $349.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 123005

GrimmSpeed Chase JB400 Turbocharger - Subaru EJ 04-21 STI, 02-14 WRX/FXT/LGT*

MSRP:

Now: $1,350.00

Add to Cart
Compare
Quick view Details

GrimmSpeed

GrimmSpeed Cold Air Intake 02-07 Subaru WRX / 04-07 STI / 04-08 Forester XT

MSRP:

Now: $349.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 060053

GrimmSpeed Cold Air Intake 08-14 WRX/STI, 09-13 FORESTER XT

MSRP:

Now: $349.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 120019

GRIMMSPEED DELRIN "COOL TOUCH" OIL CAP VERSION 2

MSRP:

Now: $59.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: Gasket-022001

GrimmSpeed Downpipe to Catback 3" Gasket

MSRP:

Now: $22.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 125022

GRIMMSPEED DRY ELEMENT AIR FILTER - 3.0" INLET

MSRP:

Now: $60.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 060089.

GrimmSpeed Dry-Con Air Filters

MSRP:

Now: $59.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 124000 124001 124002

GRIMMSPEED EJ25 HEAD GASKET SETS

MSRP:

Now: $139.00

Choose Options
Compare
Quick view Details

GrimmSpeed
|
sku: 113008

GRIMMSPEED EQUAL LENGTH HEADER - 2015-21 WRX

MSRP:

Now: $899.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: GRM113401

GrimmSpeed Equal Length Header - 2022+ Subaru WRX

MSRP:

Now: $999.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 020008

GrimmSpeed EVO 8/9 Throttle Body Gasket

MSRP:

Now: $16.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 020007

GrimmSpeed EVO X Intake Manifold Gasket

MSRP:

Now: $16.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 020040

GrimmSpeed Exhaust Gasket Set - Subaru WRX/STI/LGT/FXT/OBXT

MSRP:

Now: $99.00

Add to Cart
Compare
Quick view Details

GrimmSpeed
|
sku: 020001

GrimmSpeed Exhaust Manifold-to-Head Gasket Pair | Multiple Subaru Fitments

MSRP:

Now: $22.00

Add to Cart
Compare

Quick view

GrimmSpeed

Grimmspeed Air/Oil Separator WRX/STI/LGT/FXT

AIR/OIL SEPARATOR - WRX/STI/LGT/FXT 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 AOS is...

MSRP:

Now: $299.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 056001

GRIMMSPEED ANTENNA DELETE PLATE - SUBARU

Now available for Subaru Impreza models from 1996-2008. The Antenna Delete Plate is made from black powder-coated aluminum that is fade-resistant to the sun. Installation is easy and the end result...

MSRP:

Now: $29.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 113049BLK

Grimmspeed Billet Top Mount Intercooler Black 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness

Grimmspeed Billet Top Mount Intercooler Black 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness For more than 10 years, GrimmSpeed Top Mount Intercoolers...

MSRP:

Now: $899.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 113049

Grimmspeed Billet Top Mount Intercooler Raw 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness

Grimmspeed Billet Top Mount Intercooler Raw 2022-2024 WRX / 2019-2023 Ascent / 2020-2023 Legacy XT / 2020-2023 Outback XT and Wilderness For more than 10 years, GrimmSpeed Top Mount Intercoolers...

MSRP:

Now: $899.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 057002

GrimmSpeed Boost Control Solenoid 2006-2007 Subaru WRX / 2004-2007 STI/ 2004-2008 Forester XT

The GrimmSpeed Electronic Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw...

MSRP:

Now: $129.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 057047

GrimmSpeed Boost Solenoid Adapter | 2015-2018 Subaru WRX

Boost Solenoid Adapter by GrimmSpeed If you've been in the Subaru game for long, you're probably well aware that a 3-port Boost Control Solenoid (BCS) is considered my most to be a 'must have'...

MSRP:

Now: $39.00
Add to Cart Compare
Quick view

GrimmSpeed

GrimmSpeed BRZ FR-S Pully Cover with Tool Tray

ENGINEERED TO PERFECTION. Booya! Add a bit of style and function to your engine bay with this simple but elegant and first of it's kind pulley cover, featuring the world famous GrimmSpeed tool tray...

MSRP:

Now: $89.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 070045

GrimmSpeed Catback Exhaust System Resonated WRX/STI Hatchback 2008-2014

Resonated Cat-Back Exhaust by GrimmSpeed With so many catback exhaust options available, our goal was to create a unique, refined sound in an extremely high-quality hand-welded system. We've been...

MSRP:

Now: $1,379.00
Add to Cart Compare
Quick view

GrimmSpeed

GRIMMSPEED CHARGE PIPE KIT - 15-21 WRX

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. The...

MSRP:

Now: $295.00
Choose Options Compare
Quick view

GrimmSpeed

GrimmSpeed Charge Pipe Kit - 2022+ Subaru WRX, 2019+ Subaru Ascent

GrimmSpeed Charge Pipe Kit 2022+ Subaru WRX, 2019+ Subaru Ascent The faxtory charge pipe that Subaru includes on athe turbochasrged FA24 platform is restrictive, narrow down in certain points, and...

MSRP:

Now: $349.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 123005

GrimmSpeed Chase JB400 Turbocharger - Subaru EJ 04-21 STI, 02-14 WRX/FXT/LGT*

GrimmSpeed Chase JB400 Turbocharger - Subaru EJ 04-21 STI, 02-14 WRX/FXT/LGT* The Chase JB400 Turbo is the smaller of our two offerings, however packs a big punch. This journal bearing...

MSRP:

Now: $1,350.00
Add to Cart Compare
Quick view

GrimmSpeed

GrimmSpeed Cold Air Intake 02-07 Subaru WRX / 04-07 STI / 04-08 Forester XT

GrimmSpeed Cold Air Intake - Red or Black - 2002-07 Subaru WRX/STI, 2004-08 Subaru Forester XT Finally a GD intake with the looks to match its performance. It’s no secret that GrimmSpeed...

MSRP:

Now: $349.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 060053

GrimmSpeed Cold Air Intake 08-14 WRX/STI, 09-13 FORESTER XT

Meticulous engineering meets elegant design. For years you've been asking us for intakes, and for years we've silently worked to create a solution that sets itself apart from the rest. We examined...

MSRP:

Now: $349.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 120019

GRIMMSPEED DELRIN "COOL TOUCH" OIL CAP VERSION 2

The Newest Version of Our Popular GrimmSpeed "Cool Touch" Oil Cap for your Subaru! GrimmSpeed Subaru Delrin "Cool Touch" Oil Filler Cap Our Delrin “Cool Touch” Oil Cap has been such a...

MSRP:

Now: $59.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: Gasket-022001

GrimmSpeed Downpipe to Catback 3" Gasket

GrimmSpeed Downpipe to Catback 3" Gasket Subaru Impreza WRX STi Tired of endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" 2...

MSRP:

Now: $22.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 125022

GRIMMSPEED DRY ELEMENT AIR FILTER - 3.0" INLET

DRY ELEMENT AIR FILTER - 3.0" INLET This dry element intake filter is dimensionally identical to the oiled air filters that are included with the GrimmSpeed WRX/STI/BRZ/FRS/LGT Intakes. The filter...

MSRP:

Now: $60.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 060089.

GrimmSpeed Dry-Con Air Filters

Grimmspeed DRY-CON Panel Filter 2022-2024 WRX / 2019-2021 STI GrimmSpeed knows that not everyone is ready for one of our full aftermarket intake systems, but still wants a safe and easy way to...

MSRP:

Now: $59.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 124000 124001 124002

GRIMMSPEED EJ25 HEAD GASKET SETS

SEAL the deal with a set of GrimmSpeed EJ25 Head Gaskets! GrimmSpeed has set the standard for quality when it comes to aftermarket replacement gaskets so it’s only natural that we should offer...

MSRP:

Now: $139.00
Choose Options Compare
Quick view

GrimmSpeed
|
sku: 113008

GRIMMSPEED EQUAL LENGTH HEADER - 2015-21 WRX

The Highest Quality, Built to Last! Over the years, GrimmSpeed has proven that our exhaust products are some of the highest-quality and best-performing in the industry because of the detail oriented...

MSRP:

Now: $899.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: GRM113401

GrimmSpeed Equal Length Header - 2022+ Subaru WRX

GrimmSpeed Equal Length Header 2022+ Subaru WRX Our attention to detail during development and overall exhaust knowledge allow us to make the best possible upgraded version of the factory alternative...

MSRP:

Now: $999.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 020008

GrimmSpeed EVO 8/9 Throttle Body Gasket

Now supporting the Evo community with the same top quality gaskets we have been offering Subaru owners for years! Introducing the Mitsubishi Evolution 8 & 9 Throttle Body Gasket.

MSRP:

Now: $16.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 020007

GrimmSpeed EVO X Intake Manifold Gasket

Now supporting the Evo community with the same top quality gaskets we have been offering Subaru owners for years!Mitsubishi Evolution X Intake Manifold Gasket.

MSRP:

Now: $16.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 020040

GrimmSpeed Exhaust Gasket Set - Subaru WRX/STI/LGT/FXT/OBXT

Grimmspeed™ knows that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We've decided to offer our premium multi-layer...

MSRP:

Now: $99.00
Add to Cart Compare
Quick view

GrimmSpeed
|
sku: 020001

GrimmSpeed Exhaust Manifold-to-Head Gasket Pair | Multiple Subaru Fitments

Grimmspeed Exhaust Manifold To Head Gasket (Pair) - SubaruAt GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel OEM style...

MSRP:

Now: $22.00
Add to Cart Compare

Compare Selected

Shop by Category

Shop by Brand

Shop by Brand

GrimmSpeed