2015-2021 Subaru STI

The South Bend Stage 2 Daily Clutch Kit has a 496 ft-lb torque rating which is plenty of clutch for the street, and plenty of clutch for those of y...

The South Bend Stage 3 Daily Clutch Kit has been designed for those of you who are making big power and big boost numbers but don't want the harshn...

Southbend Clutch Kits are considered to be one of the most comfortable high-performance clutch kits on the market due to the OEM-like feel and driv...

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 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 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...

To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra traction and control in the front of a car. By creatin...

To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra traction and control in the front of a car. By creatin...

***Only fits with APR Performance Front Air Dam*** To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra tra...

To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra traction and control in the front of a car. By creatin...

To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra traction and control in the front of a car. By creatin...

***Only fits with APR Performance Front Air Dam*** To combat the effects of front end lift, APR Front Wind Splitters are utilized to give extra tra...

These support rods are used to reinforce the Front Wind Splitter. Comes with a pair of stainless steel support rods. Note: Length 5.5" to 8"

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

MBRP® Cat-Back Performance Exhaust for Subaru WRX2.0L, Subaru WRX STI 2.5L Models. 3" Cat-Back, Dual Split Rear Exit, T304 Stainless Steel, RACE Ve...

MBRP® Cat-Back Performance Exhaust for Subaru WRX2.0L, Subaru WRX STI 2.5L Models. 3" Cat-Back, Dual Split Rear Exit, T304 Stainless Steel, RACE Ve...

DESCRIPTION The Invidia N1 Single Exit Cat-Back Exhaust System with Bead Blasted Piping and Titanium Tip is a top-tier upgrade for 2015-2021 Subaru...

DESCRIPTION The Invidia Exhaust Silencer is a universal 101mm solution designed for Invidia catback systems, offering a practical way to reduce exh...

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 Up-Pipe is a high-performance upgrade for Subaru models, designed to replace the restrictive and failure-prone factory up-p...

DESCRIPTION The Invidia Up-Pipe - No EGT Bung is a premium upgrade for Subaru owners looking to improve exhaust flow and turbo efficiency. Designed...

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 N1 Single Exit Cat-Back Exhaust System with Stainless Steel Tip is a high-performance upgrade tailored for 2015-2021 Subaru...

DESCRIPTION The Invidia N1 Single Exit Cat-Back Exhaust System with Titanium Tip is a premium performance upgrade for the 2015-2021 Subaru WRX/STI....