Advanced Flow Engineering

CARB Executive Order · Throttle Body

EO D-550-59

Advanced Flow Engineering · Exempted part

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We show basic details only for this EO. Its vehicle list is not a ruled table we can read reliably (often a scanned table or a list in the text), so we do not copy it. Check the vehicles and part numbers in the original PDF.

More EOs from Advanced Flow Engineering

PreviousD-550-58Black Series, Magnum Force Stage-2, Momentum GT, and Quantum Cold Air Intake Systems NextD-550-60Cold Air Intake System
All 61 Advanced Flow Engineering EOs we read All vehicles with an EO-listed throttle body

Source: CARB Executive Order D-550-59 (PDF), retrieved November 11, 2026. EOs can be amended, superseded or revoked; CARB's copy is the authority. Independent reference, not affiliated with CARB.