The top 4 turbo brands enthusiasts actually trust for the Mk3 (2013-2018) Ford Focus ST — ranked by community reputation and fitment reliability.
2013-2018 Ford Focus ST · Turbo
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Mountune
Factory-backed Ford performance partner with direct EcoBoost turbo expertise; their upgraded turbo and supporting kits are purpose-built for the Focus ST's 1.6L and highly trusted across ST forums.
Sold direct through Mountune and authorized Ford dealers; also through select performance retailers.
Linamar (Roto Master)
OEM turbocharger supplier for Ford EcoBoost engines; direct replacement and upgraded units are widely respected by ST owners for reliability and fitment precision.
Primarily through Ford dealers and authorized performance shops; limited retail availability.
Garrett
Established turbo manufacturer with strong community track record on EcoBoost platforms; aftermarket offerings provide reliable upgraded flow for ST builds.
Widely available through major performance retailers and turbo specialists.
BorgWarner
OEM supplier of Focus ST turbos with proven durability; aftermarket and upgraded variants appeal to owners seeking factory-quality reliability with modest performance gains.
Available through specialty turbo shops and some performance retailers; primarily OEM channels.
Adds live pricing, recent forum sentiment, and fitment notes from real-time search.
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