BlackWorks Racing Upper Coolant Neck B16A w/ -16 AN fitting 16-17 Porsche 911 Carrera S/4/4S/GTS (991.2) Chrome Housing - Reflective finish

Chrome Housing - Reflective finish that stands out without resorting to aggressive angles or oversizing

Yes — this is a catback system designed to connect at the factory catalytic converter outlet

this radiator maintains proper engine temperatures under street and moderate driving conditions

Hard panel construction designed to bolt at factory mounting points without modification

5x112 bolt pattern

BlackWorks Racing Upper Coolant Neck B16A w/ -16 AN fitting 16-17 Porsche 911 Carrera S/4/4S/GTS (991.2) Chrome Housing - Reflective finishKey specs Material: 6061 billet aluminum Fitment: Honda B16A engines Connection type: 16 AN Includes: Coolant neck Stainless mounting hardware Use cases: Race cars Street builds Show cars with custom cooling systems Typical applications Usually seen on: Honda Civic EG EK B swap builds Acura Integra DC2 B series setups Custom turbo or tucked engine bay builds using AN plumbing Brand background BlackWorks Racing is known for Honda Acura aftermarket