2008-2014 Subaru STI

AEM's X-Series OBDII Wideband UEGO AFR Sensor Controller Gauge (PN 30-0334) provides tuners who are using piggyback tuning modules or open source s...

AEM’s 30-0307 X-Series 150 PSI/10 BAR Digital Oil Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-to-u...

AEM’s 30-0301 X-Series 100 PSI/7 BAR Digital Oil/Fuel Pressure gauge combines incredible looks, increased readability and a multitude of new, easy-...

AEM Digital Oil Pressure Gauges combine unsurpassed accuracy, speed and control with an easy-to-read digital LED interface that displays oil pressu...

THE AEM WATER/METHANOL INJECTION SYSTEM ADVANTAGEWater/methanol injection for forced induction (turbocharged or supercharged) gas-powered race engi...

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

AEM's Digital Boost Display Gauges combine unsurpassed accuracy, speed and control with an easy-to-read digital LED interface that displays boost i...

AEM’s legendary Digital Wideband O2 AFR UEGO Gauge is a wideband UEGO air/fuel ratio controller (AFR) and gauge in one. It unites accuracy, speed a...

AEM's High Cap Universal Adjustable Fuel Pressure Regulator (PN 25-305BK) is the perfect solution for racers who need reliable fuel pressure in hig...

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity chara...

AEM’s X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest...

CD-7LG CARBON DIGITAL DASH DISPLAY SPECS: Full color 7" screen with 800x480 resolution Direct sunlight readable (1000cd/m2 brightness and anti-gla...

Spanning 48 inches and a height of 10 inches, the SCCA GTC-200 adjustable wing offers the perfect amount of downforce for midsize and compact cars....

Spanning 60.5 inches and a height of 10 inches, the New GTC-200 adjustable wing offers the perfect amount of downforce for midsize and compact cars...

With a height of 5 inches, the GTC-200 Drag wing is designed for cars with low profile roof lines or for those Looking to reduce drag yet maintain ...

Excessive heat can cause major and expensive damage to critical components in a car. Engine bays, radiators, brakes, transmissions, and differentia...

DESCRIPTION The Invidia Stock Downpipe to 3" Exhaust Adapter is a simple yet essential component for seamlessly connecting your stock downpipe to a...

DESCRIPTION The Invidia 3-Inch Downpipe to Stock Cat-Back Exhaust Adapter is the ultimate solution for seamlessly connecting your 3-inch downpi...

DESCRIPTION The Invidia Catted Divorced Wastegate Downpipe is the ultimate performance upgrade for Subaru models, including the 2008-2014 WRX and 2...

DESCRIPTION The Invidia Catted Divorced Wastegate Downpipe with 2 Bungs takes your Subaru’s performance to the next level. Engineered with a larger...

DESCRIPTION The Invidia Lower Catted Divorced Wastegate Downpipe with 2 Bungs takes your Subaru’s performance to the next level. Engineered with a ...

DESCRIPTION The Invidia Equal Length Race Exhaust Manifold is engineered for Subaru models like the 2005+ STI and 2008-2014 WRX, delivering peak pe...

DESCRIPTION These are the Grimmspeed Head to Exhaust Manifold Dual Port Gaskets. These particular gaskets see some of the highest temperatures when...

DESCRIPTION The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need t...

DESCRIPTION The GrimmSpeed Turbo To Downpipe Gasket is made using a premium multi-layer steel with a stainless steel fire-ring, this gasket surpass...

DESCRIPTION This is the GrimmSpeed Downpipe Donut Gasket. This gasket is available as a direct replacement for your leaking OEM donut gasket and fe...

DESCRIPTION The GrimmSpeed Ceramic Coated 2 Bolt Up-Pipe has been designed to be a high-performance direct replacement for your factory up-pipe to ...

On this page, you are looking at the Cusco Adjustable Rear Lateral links. these links feature adjustable pillow ball lateral links helps control un...

The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles...