Cast Inlet Manifold [Mk4 Focus ST] brakes Uprated spring poundage for optimum

Uprated spring poundage for optimum performance with OE dampers

it's also compatible with the mountune ultra high-performance silicone boost hose kit

As of August 2024

If you're unsure

mountune's stainless steel

Cast Inlet Manifold [Mk4 Focus ST] brakes Uprated spring poundage for optimumThe mountune Cast Inlet Manifold offers numerous performance benefits, whilst also vastly improving engine bay aesthetics of the 2. 3 litre EcoBoost engine used in the Mk4 Focus ST. The mountune cast aluminium inlet manifold adds reliability to all big power or higher boost Focus ST engine builds, together with adding a host of useful additional features. The mountune inlet manifold allows owners to take advantage of the high flow internals, optional