The VORTEX SERIES Intake for the Ford Focus MK4 ST is a high performance Air Induction Kit. Designed, developed and tested in-house over the past 12 months by Direnza’s team of highly skilled engineers. Every aspect of the kit has been designed from the ground up with quality & performance at its heart. Direnza’s Vortex system combines OEM fit & finish whilst providing significant power gains across the rpm range. ---Dyno proven gains of +15.2bhp ---CFD-Optimised wide mouth inlet allows both sides of the slam panel air feeds to be used for increased air flow ---Fully enclosed Airbox to combat high engine bay temperatures ---3.
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