The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow.
K&N 69-8005TWR Performance Wrinkle Red Intake Kit for Impreza WRX/WRX STI 2.5L
Mishimoto Air Intake Kit Performance Wrinkle Black Focus ST 2013-2018
KN 63-9026 Cotton Gauze Performance Air Intake System for Toyota Tacoma 2.7L L4
KN 63-1579 Aircharger Performance Intake System for Jeep Grand Cherokee 6.2L V8
KN 63-5506 Performance Round Aircharger Intake System for Mitsubishi Lancer 2.0L
