996 / Engine & intakeWatch the original
Porsche 911 996 with Top Gear 200 Cell Big Bore Sports Catalytic Converters
Title mentions 996; exact year, engine and repair fit unverified
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Topgear (Bridport) LtdSource video · Content and exact fitment unreviewed
Porsche workshop APIA written manual has not been published for this video yet.
How we use sources · Steps follow the credited source; they do not establish independent verification or exact vehicle fitment.