Products

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION The GrimmSpeed Stage 1 Power Package combines GrimmSpeed's Cold Air Intake System, as well as the GrimmSpeed 3-Port Electronic Boost Co...

DESCRIPTION This is the GrimmSpeed Pitch Stop Mount. This pitch stop mount is a dramatic improvement over the factory mount which is made from flex...

The ALL NEW GrimmSpeed Transmission Mounts are designed to lock down your Subaru's drivetrain and enhance the driving experience, while keeping cab...

DESCRIPTION These are the GrimmSpeed TGV to Engine Gaskets. If you need to replace your OEM gaskets, then the GrimmSpeed units make for a quality r...

DESCRIPTION Upgrade your cooling system with the GrimmSpeed Titanium Radiator Cap, rated at 1.3 bar for improved thermal control and reliability. B...

DESCRIPTION Upgrade your EJ engine bay with the GrimmSpeed Titanium Alternator Shroud for the 2002–2014 WRX and 2004–2021 STI. Designed for enthusi...

DESCRIPTION Upgrade your 2015–2021 Subaru WRX or STI engine bay with GrimmSpeed Titanium Fender Shrouds. These precision-crafted titanium panels re...

DESCRIPTION Elevate the style of your Subaru’s engine bay with GrimmSpeed Titanium Fender Shrouds, designed for enthusiasts who want both function ...

DESCRIPTION Upgrade your FA20 engine bay with the GrimmSpeed Titanium Pulley Cover for the 2015–2021 Subaru WRX. Designed for enthusiasts who value...

DESCRIPTION Upgrade your 2022+ Subaru WRX engine bay with the GrimmSpeed Titanium Pulley Cover. Based on the proven design of GrimmSpeed’s long-sta...

DESCRIPTION The GrimmSpeed Titanium Radiator Shroud for the 2015–2021 WRX and STI transforms one of the most visible areas of the engine bay into a...

DESCRIPTION Upgrade your 2022+ Subaru WRX engine bay with the GrimmSpeed Titanium Radiator Shroud. Built on the proven design of GrimmSpeed’s long-...

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

DESCRIPTION You probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the...

DESCRIPTION This is the GrimmSpeed Top Mount Intercooler. Once you start performing modifications that add more horsepower and more boost, eventual...

DESCRIPTION This is the Grimmspeed Splitter that is available for separate purchase. This particular splitter comes with the Grimmspeed Top Mount I...

DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...

DESCRIPTION Replace your missing or damaged up-pipe hardware with the same high-quality kit included in all GrimmSpeed Up-Pipes. Designed for durab...

DESCRIPTION One of the biggest complaints we’ve heard from 2015-21 WRX owners has to do with cracks forming in their OEM plastic turbo inlets from ...

DESCRIPTION  Experience enhanced exhaust performance with the HKS Equal Length Header (Exhaust Manifold) designed for the Subaru EJ25 motor. Compat...

IAG 1150 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 1150 HEADS DROP IN AND DRIVE The IAG Performance hand-built Subaru 11...

IAG 1150 LONG BLOCK ENGINE WITH IAG 1150 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perf...

IAG 550 EJ25 2.5L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that n...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built 550 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover...

IAG 600 BOLT-ON WRX TURBO If you’re looking for more power out of your 2022+ Subaru WRX equipped with the FA24F engine, the IAG 600 Ba...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover t...

IAG 950 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 950 HEADS DROP IN AND DRIVE The IAG Performance han...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover t...

The IAG Competition Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track applic...

IAG offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our New Oil Pan finished in black as a complete package.Abou...

NO MORE DRIVETRAIN SLOP The IAG Competition Series Pitch Stop Mount offers a solid solution for reducing engine and transmission movement und...

FACTORY FIT WITH A CUSTOM LOOK Get rid of the bright yellow factory dipstick and transform your Subaru’s engine bay with the IAG Subaru Dipst...

THE IAG SILICONE UPPER & LOWER RADIATOR HOSE KIT When it’s time to replace the factory radiator hoses on your 2015–2021 Subaru WRX, the I...

TRANSFORM YOUR ENGINE BAY Get rid of the unattractive OEM yellow cap and upgrade your engine bay with the IAG Revolve Coolant Reservoir Cap. ...