MST Performance Boost Pipe for Ford Focus MK4 2019+ Fog or traveling at low speed

or traveling at low speed over uneven surfaces

Please note – this product is designed without a rear box and can be extremely loud

2 reinforced silicone hoses

These lights are suitable for all Fiestas from years 2017

MST Performance Boost Pipe for Ford Focus MK4 2019+ Fog or traveling at low speedThis is a performance enhancing boost pipe kit for the 2019+ MK4 Ford Focus ST. Features Improved throttle response Black powder coated and silicone inlet pipe Dyno results: max gains 5 7bhp (this may vary dependant on vehicle) What Does It Do? This boost pipe kit delivers increased air flow over the standard restrictive part. Whether this kit is being installed to a standard vehicle or to a already tuned vehicle, you can be sure of the positive