Make a big increase in power and sound with Ford Racing's ProCal Calibration Tool, Cold Spark Plug Set and Cold Air Intake. With just colder plugs, a tune and cold air intake the Focus ST is able to experience an increase of 90 peak torque at 2800 RPM on...

Large 3-Layer Performance Air Filter: This intake system utilizes an oil-free, large 6" tall conical 360 degree radial flow performance air filter with 3-Layer progressively finer porosity synthetic media for maximum convenience. One-Piece Heat Shield:...

Torque Solution Throttle Body Spacer 2013 Ford Focus ST - Black

Ford has finally graced our American shores with a Focus wielding the RS badge, and we couldn't be happier. We wanted to improve and upgrade a lot of things on this car and among those priorities had to be an intake. Our engineers have spent many hours...

Ford has finally graced our American shores with a Focus wielding the RS badge, and we couldn't be happier. We wanted to improve and upgrade a lot of things on this car and among those priorities had to be an intake. Our engineers have spent many hours...

Ford has finally graced our American shores with a Focus wielding the RS badge, and we couldn't be happier. We wanted to improve and upgrade a lot of things on this car and among those priorities had to be an intake. Our engineers have spent many hours...

Do want power, styling, and durability? The Mishimoto Focus ST intake has them all. With dyno proven maximum gains of 6 whp and 5 wtq, this Focus ST intake offers a respectable boost in power for running only the stock tune. The 3" mandrel-bent aluminum...

Do want power, styling, and durability? The Mishimoto Focus ST intake has them all. With dyno proven maximum gains of 6 whp and 5 wtq, this Focus ST intake offers a respectable boost in power for running only the stock tune. The 3" mandrel-bent aluminum...