This adaptor can be fitted to the map sensor on the intake manifold (for vacuum and boost) or on the charge pipe (for boost). Simply remove the existing sensor, fit the Forge Motorsport adaptor and refit the original sensor to the adaptor. This provides a take-off port to connect a vacuum operated valve or a boost gauge without having to cut into any original equipment. Vacuum hose, cable ties, and fitting instructions are supplied and the installation is fully reversible. Compatible with the following MAP sensors: 0 281 002 996 0 281 002 566 55219295 55209194 All Forge Motorsport products come with a limited lifetime warranty. All warranty claims must be accompanied by the original proof of purchase to enable us to help you. Failure to supply this proof will result in your claim or enquiry being denied.