Engine Mods

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with th...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with th...

Description This replacement filter can be used with the following intake systems.Subaru SF Intake System WRX 2015-2021Audi / Volkswagen Redlin...

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the...

DESCRIPTION The GrimmSpeed Cold Air Intake is the result of countless hours, engineering, and testing to develop a cohesive cold air intake kit des...

Description The blades that promote even temperatures and airflow through your engine bay, while giving your Subaru an outstanding visual upgrade....

COMPLETE COMPETITION SERIES PACKAGE IAG now offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our Competition Oil ...

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...

IAG PTFE FLEX FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY ...

Designed for the MY15+ FA20DIT WRX the Process West ‘DITTO’ (Direct Injection Tubular Original) compromises a mix of billet plenum and cast large b...

DESCRIPTION This is the GrimmSpeed Air Oil Separator. If you're familiar with modifying your vehicle, then you will know the importance of an air/o...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015-2021 Subaru WRX Front Mount Intercooler...

DESCRIPTION The GrimmSpeed Front Mount Intercooler Kit from GrimmSpeed has been designed with a great balance of low-pressure drop and high-tempera...

Subaru FA20 Blue Compressor wheel - 73HTZ Flow rating - 57LB per minute CW Measurements - 52.6MM Inducer / 73MM Exducer TW Measurements - 60.8MM I...

This is handmade here in the USA at Extreme Turbo Systems. This will bolt up with a 3.0"-4.0" ETS intercooler and requires no additional trimming o...

The ETS Cold Air Intake locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most ...

Overtake Bypass Valve Recirculation Hose | High-Performance Silicone Upgrade Looking to replace your worn-out Bypass Valve Recirculation Hose or ad...

DESCRIPTION Torque Solution Cylinder 4 Coolant Mod for Subaru EJ Engines was designed to increase coolant flow to cylinder #4 head area. The additi...

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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...

Fixes the OEM boost leak | Improves Turbo Efficiency Ditch your VB WRX’ leaky factory turbo inlet and upgrade to the OVERTAKE Aluminum Turbo Inlet....

SAFEGUARD YOUR SUBARU The IAG Performance Air / Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of meticul...