The mountune High-Flow Throttle Body Elbow for the Mk8 Fiesta ST (and Mk4 Focus ST-Line 1.5) removes the inherent restriction found in the OE component, improves airflow and enhances engine bay aesthetics.
Easy to install on the entry to the inlet plenum, the elbow removes the ice-breaker and further improves airflow with a larger ID and smooth-wall internal pipework. So much so that airflow is increased by 26% versus the OE elbow.
Removing this restriction helps the turbo work more efficiently, and as well as improving airflow, it also gives more headway for increasing power output.
The core aluminium pipework includes the required billet take-offs and spigots for easy installation, and is finished in a polished black anodised coating for improved aesthetics and durability, complete with a laser-etched mountune logo.
This is an essential performance enhancer for all standard and modified Fiesta ST.
Ordered this Elbow together with the Mountune Panel Filter for the Focus MK4 1.5 EcoBoost. All delivered in The Netherlands within 3 working days! After some Reading I discovered that for the Focus you need to shorten the hose underneath the Elbow for about 10mm which is a piece of Cake. Easiest to do is first remove the standard airbox to make some working space. After fitting directly discovered that the engine picks up earlier in lower RPM, sounds a bit fruitier and has some more air in higher RPM. Very satisfied with the product!!