* 1969 Ram Air I: Around 265-280 hp
* 1969 Ram Air III: Approximately 345 hp
* 1970 Ram Air III: Around 345 hp (some variations existed)
* 1971 Ram Air IV: Approximately 330 hp (again, some slight variation may exist)
* 1973 Ram Air IV: Around 280 hp
To know the exact horsepower of a specific Pontiac Trans Am with Ram Air, you'd need to know the year and the specific Ram Air package (I, III, IV). Even then, slight variations due to manufacturing tolerances are possible.