2015-2021 STI Intake

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

Large Three Layer Performance Air Filter:Momentum’s unique filter-to-housing interface was built to feature the largest air filter possible. This 7...

The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

AEM cold air intake systems are designed to increase horsepower and torque. The system includes an oversized AEM DRYFLOW synthetic washable air fil...

Large Five Layer Performance Air Filter:Momentum’s innovative filter-to-housing interface was built to feature the largest air filter possible. Thi...

The AEM 21-735WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give...

The 69-8007TWR Typhoon air intake system from K&N replaces the restrictive factory air filter and housing of certain Subaru WRX STI Turbo model...

The GrimmSpeed direct replacement air filter is a high-quality and easy-to-install upgrade for the stock airbox. It offers improved performance, i...

The AEM Intake Cold Air Intake System designed specifically for your application to replace the factory restrictive intake system to increase both ...