2015-2021 STI

The COBB NexGen Ethanol Sensor Kit measures the ethanol content level of the fuel being pumped into your engine and then sends that data to the ECU...

The AP V3 A-Pillar Mount attaches to the driver's side A-Pillar. The swivel allows the driver to set the angle of the AP for optimal viewing. Insta...

COBB Top Mount Intercooler Isolator Bushing Sold Individually Replace the tired and soft factory intercooler mount grommet with a COBB Isolator Bus...

Utilizing the COBB Turbo Inlet V2 will eliminate the factory 'accordion-style' hose that can cause turbulence in the intake tract. Increasing the e...

The Weighted COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet stainless steel base/insert provides a weigh...

The IAG Performance Oil Control Baffle & Windage Tray is engineered to enhance oil management in Subaru engines from 2002-14 WRX, 2004-21 STI, ...

IAG STAGE 2 CNC PORTED EJ25 11MM OIL PUMP FOR 04-21 STI, 02-14 WRX, 05-09 LGT, 04-13 FXT INCREASED OIL FLOW VOLUME AND PRESSUREThe 11mm Subaru Oil ...

The GrimmSpeed 1.3 Bar Radiator Cap delivers superior cooling system pressure management for your Subaru. Engineered to maintain a higher pressure ...

ETS designed the V2 MaxFlow Header to be a direct factory replacement header. They start off with large 1 7/8 primary runners that come together in...

Increase your Subaru STI 2015+'s performance with the ETS Air Intake Kit Titanium. Designed specifically for this model, this kit provides improved...

ETS Titanium Stock Turbo Style Intercooler Piping Kit for the 2015-2021 Subaru STI Discover increased durability and improved performance with the ...

Increase the performance of your Subaru STI 2015 with the ETS Front Mount Intercooler Core. This 3in silver core, featuring a black logo, is design...

Experience increased horsepower and torque with the Nameless Performance Axle Back Exhaust. The mandrel bent T304 stainless steel pipes, laser-cut ...

These polished axle-back tips are custom-made for Invidia Q300 / R400 Catback Exhaust Systems on 2011-2021 WRX Sedan and 2011-2021 STI Sedan. With ...

Experience the full potential of your Invidia Q300/R400 Catback Exhaust System with Nameless Performance Axle Back Neochrome Tips. These 3.5" diame...

The COBB Subaru Fuel Rails are constructed of 6061 Billet Aluminum and feature black anodizing with a laser etched COBB logo. Each rail comes with ...

The COBB Titanium Cat-Back Exhaust for your Subaru WRX or STI offers premium styling and quality. Other titanium cat-backs can produce a certain 't...