Product details The Forge Motorsport intake system for the Ford Fiesta ST180 features a large diameter Pipercross foam element filter for superior filtration and enhanced breathing for the engine – but also featuring a larger surface area than the stock filter and many competitors. The MAF housing is CNC machined in our Gloucester machine shop and gently tapered internally so as to ensure maximum flow whilst emulating the stock configuration to eliminate the possibility of any engine check lights. We also provide a laser cut and powder coated aluminium shield which sits under the filter and directs air around the filter that enters the bay through the bonnet slam panel. During testing we have achieved gains of up to 11bhp when installed in conjunction with an engine remap, which is generally needed in order to make the most of the improved airflow. This filter kit can also be installed in conjunction with our silicon intake pipe
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