
The Mishimoto air intake kit for 2016–2018 Ford Focus RS is a full replacement intake that includes a 3in aluminum pipe, a purpose-built airbox and an exposed high-flow filter using the factory inlet ducts. It bolts in without cutting, routes air to the turbo, and seals against the hood. Dyno-tested gains reach up to 12 whp and 15 lb-ft on a stock tune.
Mishimoto 2016+ Ford Focus RS Performance Air Intake Kit - Wrinkle Black