Air-Cooled EFI Individual Throttle Body System

Full ITB and EFI conversion for air-cooled flat sixes, replacing the factory injection entirely.

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Published fitment
993 · See fitment notes
964 · See fitment notes
g-series · See fitment notes
Recorded availability
In production. Confirm with the supplier.
Recorded price
US$13,500.00 ·

View supplier page ↗

Reported by a secondary source. Sources last accessed ; fitment is not independently verified.

Induction & ChargingIn productionReported by a secondary source

Manufacturing

ManufacturerBBi Autosport
Origin🇺🇸 United States
Manufactured here
BBi Autosport, Anaheim.
ProcessCNC Machined
Additively manufacturedNo
Material6061-T6 Aluminium
NotesOne throttle per cylinder. Sharpens throttle response and raises airflow, and it needs standalone management — this is the hardware half of a conversion, not a bolt-on.

Fitment

993All models
964All models
g-seriesAll models
Road use. Replaces the factory injection system. Emissions compliance depends entirely on jurisdiction.

Sources

  1. BBI Porsche Air cooled EFI Individual Throttle Body System — BBi Autosport, accessed 2026-08-17